Sponsor Message:
Civil Aviation Forum
My Starred Topics | Profile | New Topic | Forum Index | Help | Search 
Does Daylight Savings Effect Airlines?  
User currently offlineFl370 From United States of America, joined Apr 2006, 252 posts, RR: 0
Posted (7 years 11 months 1 week 4 days 7 hours ago) and read 12042 times:

twice a year we experince daylight savings, how does this effect airlines and their flying schedule? i mean we lose an hour once a year, and we gain an hour once a year! so how does this effect airlines and their schedule. tthanks



fl370

27 replies: All unread, showing first 25:
 
User currently offlineAirCop From , joined Dec 1969, posts, RR:
Reply 1, posted (7 years 11 months 1 week 4 days 7 hours ago) and read 12007 times:

Here in Arizona, when everyone is on daylight time, our flights leave an hour earlier and when the rest of the nation joins us on standard time our flight leave later.

User currently offlineEMBQA From United States of America, joined Oct 2003, 9364 posts, RR: 11
Reply 2, posted (7 years 11 months 1 week 4 days 6 hours ago) and read 11998 times:

Not at all since few if any passenger airlines are flying at 0200 when the clocks change.


"It's not the size of the dog in the fight, but the size of the fight in the dog"
User currently offlineGEnxPower From United States of America, joined Apr 2005, 121 posts, RR: 0
Reply 3, posted (7 years 11 months 1 week 4 days 6 hours ago) and read 11970 times:

It makes a difference when you have international flights. Not all country fall back on daylight savings at the same time/same day. European DST starts and ends on different days as American.

Many countries do not have Daylight savings time at all. International flights have to leave one hour early so that it will arrive "on time" and passengers can make their connections or transits.

Departure schedules are changed, pilot and crew schedules are changed. So there are some of those affects involved.


User currently offlineHawaiian717 From United States of America, joined May 1999, 3195 posts, RR: 7
Reply 4, posted (7 years 11 months 1 week 4 days 5 hours ago) and read 11870 times:

Quoting EMBQA (Reply 2):
Not at all since few if any passenger airlines are flying at 0200 when the clocks change.

What about all the Hawaii -> mainland and west coast -> east coast red eye flights?

I'm not sure about what airlines do for the exact change, but I know Hawaiian adjusts their schedule for west coast flights in HNL so that they leave and arrive at their west coast destination at the same time; they just arrive and leave HNL an hour later.


User currently offlineRobertS975 From United States of America, joined Aug 2005, 943 posts, RR: 0
Reply 5, posted (7 years 11 months 1 week 4 days 5 hours ago) and read 11850 times:
Support Airliners.net - become a First Class Member!

Quoting EMBQA (Reply 2):
Not at all since few if any passenger airlines are flying at 0200 when the clocks change.

Well, this statement is NOT true. There are dozens of US domestic and several Canadian domestic redeye flights from the western side of the continent to the eastern side. There are also many dozens of flights across the Atlantic overnight. There are long distance overnite flights to/from South America.


User currently offlineOrdpark From United States of America, joined Nov 2003, 574 posts, RR: 1
Reply 6, posted (7 years 11 months 1 week 4 days 4 hours ago) and read 11785 times:
Support Airliners.net - become a First Class Member!

Well, it is a convenient time for airlines to do a major schedule change...redeyes get in either an hour earlier or later, depending on what time of year it is, requiring some staffing adjustments....

User currently offlineHikesWithEyes From United States of America, joined Jan 2004, 816 posts, RR: 7
Reply 7, posted (7 years 11 months 1 week 4 days 2 hours ago) and read 11723 times:

Each time change in spring or fall, there are always passengers and
crew members who forget to change their clocks, so in the fall, some
people arrive to the airport too early.
In the spring, people miss their flights, and I have seen several flights
delayed because a crewmember was late.



First, benzene in my Perrier, and now this!
User currently offlineCharliejag1 From United States of America, joined Aug 2006, 240 posts, RR: 0
Reply 8, posted (7 years 11 months 1 week 4 days 2 hours ago) and read 11694 times:

Of course DST does not affect airlines in any way. While you're at it, ask if DST affects anybody on earth at all.

User currently offlinePilottim747 From United States of America, joined Jul 2001, 1607 posts, RR: 5
Reply 9, posted (7 years 11 months 1 week 4 days 2 hours ago) and read 11693 times:

Quoting EMBQA (Reply 2):
Not at all since few if any passenger airlines are flying at 0200 when the clocks change.

It doesnt affect aircraft that are flying as pilots and air traffic control use UTC time for every. The only thing that changes is how a pilot calculates UTC time from local time (in the Central time zone we fall back from -5 hrs to -6 hrs).



Aviation Photographers & Enthusiasts--Coordinate your life.
User currently offlineSwissgabe From Switzerland, joined Jan 2000, 5266 posts, RR: 33
Reply 10, posted (7 years 11 months 1 week 3 days 14 hours ago) and read 11476 times:

Quoting EMBQA (Reply 2):
Not at all since few if any passenger airlines are flying at 0200 when the clocks change.

Not talking of ALL other WORLDWIDE flights out there. You in the Staates to have as well International flights leaving your country and flying to your place from places such as Europe, Asia, Africa, South America etc.

Quoting Fl370 (Thread starter):
twice a year we experince daylight savings, how does this effect airlines and their flying schedule? i mean we lose an hour once a year, and we gain an hour once a year! so how does this effect airlines and their schedule. tthanks

It does affect all flights flying from one time zone to another where the daylight time switch isn't done or where it will be done at another date. Flights in that case would leave one hour earlier/later or would arrive one hour behind/in front of the departure.



Smooth as silk - Royal Orchid Service /// Suid-Afrikaanse Lugdiens - Springbok
User currently offlineSATX From United States of America, joined Apr 2005, 2840 posts, RR: 7
Reply 11, posted (7 years 11 months 1 week 3 days 13 hours ago) and read 11434 times:

Quoting EMBQA (Reply 2):
Not at all since few if any passenger airlines are flying at 0200 when the clocks change.

That's pretty damn funny. I sure hope you were joking when you said that. Please tell me you were joking.



Open Season on Consumer Protections is Just Around the Corner...
User currently offlineOlympus69 From Canada, joined Jun 2002, 1737 posts, RR: 7
Reply 12, posted (7 years 11 months 1 week 3 days 13 hours ago) and read 11389 times:

There is considerable confusion in the Spring and Fall with Intercontinental flights. This is because there is a period of a week or more in each season when Europe and North American areas are split between Standard and Daylight Saving time. It will get worse next year when North America adds 3 weeks of DST in the Spring, and one in the Fall. I assume a similar situation exists between North America and Asia. Southern Hemisphere countries change the opposite way. It must be hard to keep track of all the variables.

User currently offlineGreasespot From Canada, joined Apr 2004, 3084 posts, RR: 20
Reply 13, posted (7 years 11 months 1 week 3 days 12 hours ago) and read 11305 times:

Easy....Planes just have to speed up in the case of losing an hour (sprinG and slow down when they gain an hour (fall).  wink 

GS



Sometimes all you can do is look them in the eye and ask " how much did your mom drink when she was pregnant with you?"
User currently onlineCubsrule From United States of America, joined May 2004, 23086 posts, RR: 20
Reply 14, posted (7 years 11 months 1 week 3 days 11 hours ago) and read 11279 times:

A lot (all?) of DL's late night South America departures (EZE, SCL, etc.) do not change their departure times in the U.S., so flights arrive in South America 2 hours later in the Northern Hemisphere winter than in the Northern Hemisphere summer. Of course, the long ground times (the planes sit all day) allow for this.


I can't decide whether I miss the tulip or the bowling shoe more
User currently offlineNzrich From New Zealand, joined Dec 2005, 1522 posts, RR: 1
Reply 15, posted (7 years 11 months 1 week 3 days 11 hours ago) and read 11232 times:

Only major problem is staff sleeping in when the clocks go forward..


"Pride of the pacific"
User currently offlineTom12 From United Kingdom, joined Dec 2005, 1078 posts, RR: 13
Reply 16, posted (7 years 11 months 1 week 3 days 11 hours ago) and read 11168 times:

Here in the UK all airports work to GMT (or UTC, whatever you prefer). Aviation doesn't change time here at all.

Tom



"Per noctem volamus" - Royal Air Force Bomber Squadron IX
User currently offlineSupa7E7 From , joined Dec 1969, posts, RR:
Reply 17, posted (7 years 11 months 1 week 3 days 11 hours ago) and read 11023 times:

Redeyes suffer during time changes. In Spring, check out March 10/11 Redeyes. Departure is normal, but duration is 1 hour extra. Arrival is 1 hour late. This means airlines cannot sell as many connections thru their East Coast hubs. Furthermore, the airlines likely have these aircraft double-booked on March 11. Red-Eyes come in late, but other departures are supposed to be unaffected. In truth, you will see some delays at ATL, EWR, because of late redeyes.

Tonight, however, it is the opposite. All the nation's red-eyes will arrive 1 hour early, and the aircraft will sit for an extra hour Sunday morning. That is easier to deal with.


User currently offlineSwissgabe From Switzerland, joined Jan 2000, 5266 posts, RR: 33
Reply 18, posted (7 years 11 months 1 week 3 days 10 hours ago) and read 10900 times:

Quoting Supa7E7 (Reply 17):
duration is 1 hour extra

Well, I would say that duration of the flight remains the same.



Smooth as silk - Royal Orchid Service /// Suid-Afrikaanse Lugdiens - Springbok
User currently offline2travel2know From Panama, joined Apr 2005, 3580 posts, RR: 4
Reply 19, posted (7 years 11 months 1 week 3 days 10 hours ago) and read 10775 times:

Foreign airlines from countries that don't observe Daylight Savings Time often face major airport delays on their flights since that hour later may coincide with heavy airport traffic (ORD, JFK come to mind) and slots not available or more expensive.


I don't work for COPA Airlines!
User currently offlineTristarSteve From Sweden, joined Nov 2005, 4016 posts, RR: 34
Reply 20, posted (7 years 11 months 1 week 3 days 10 hours ago) and read 10591 times:

Quoting Tom12 (Reply 16):
Here in the UK all airports work to GMT (or UTC, whatever you prefer). Aviation doesn't change time here at all.

And all European airlines introduce the Winter timetable on this Sunday morning. All the times are changed. My morning flight to UK leaves at 0700 instead of 0710 etc etc.

Luckily nowadays the whole EU changes on the same day.
15 years ago, the UK changed a month later than the rest of Europe, and chaos ensued.

Anyway Sunday morning a lot of overnight flights from the US will arrive an hour early, and surprise someone.!!


User currently offlineLegacytravel From United States of America, joined Aug 2005, 1067 posts, RR: 2
Reply 21, posted (7 years 11 months 1 week 3 days 7 hours ago) and read 10154 times:

[quote=ANCFlyer,reply=19]And twice a year we have this same stupid assed thread . . . . [/qu
I agree. The more I read about this thread the more I want to pull what little hair I have left out.
Regards,
Mark in MKE



I love the smell of Jet fuel in the Morning
User currently offlineCloudyapple From Hong Kong, joined Jul 2005, 2454 posts, RR: 10
Reply 22, posted (7 years 11 months 1 week 3 days 7 hours ago) and read 9787 times:

Quoting TristarSteve (Reply 23):
And all European airlines introduce the Winter timetable on this Sunday morning. All the times are changed. My morning flight to UK leaves at 0700 instead of 0710 etc etc.

Wrong - all scheduling WORLDWIDE (even in the US) is done in UTC and then converted back to the local time whether it is summer or winter. And dont you need to worry about the complexity of these conversions - computers do all that.

The fact that the airlines' seasonal timetables start to coinside with clock changes kills 2 birds with 1 stone. By implementing schedule and time changes on the same day, you only have 1 day of potential confusions instead of 2. The fact that some countries change their DST on different dates is a different matter.

But all flightcrew and ATC (wherever in the world) work in UTC. Flightplans are also in UTC - everything in ops is in UTC indeed. The idea is to have 1 standard time for aviation to avoid any of these obscure and inconsistent daylight saving time changes. So DST changes do not affect the scheduling or flight ops. Well unless the crew turns up late...



A310/A319/20/21/A332/3/A343/6/A388/B732/5/7/8/B742/S/4/B752/B763/B772/3/W/E145/J41/MD11/83/90
User currently offlineBookin From United States of America, joined Feb 2004, 75 posts, RR: 0
Reply 23, posted (7 years 11 months 1 week 3 days 6 hours ago) and read 9616 times:

As a Dispatcher, tonight I will be working a 13 hour shift instead of my usual 12.
It's all good, some of our pilots sent fresh coffee beans from Colombia!

Cheers!



B747-400LCF - B747-200ST!!
User currently offlineSupa7E7 From , joined Dec 1969, posts, RR:
Reply 24, posted (7 years 11 months 1 week 3 days 3 hours ago) and read 9533 times:

Quoting Swissgabe (Reply 18):
Well, I would say that duration of the flight remains the same.

Hahaha. If you're riding on the plane, yes, normal flight duration. But the flight schedules (if you take a moment to examine them) do indeed specify +1 hour duration, +1 hour late arrival for redeyes on March 10/11 2007. Take a look yourself. It has to be that way.


25 Robsawatsky : Correct, but doesn't answer the question. Yes we all (or should) know we don't really lose or gain an hour of time, it is just the reference to local
26 IAirAllie : Same as any business that operates on a 24 hour 7 day a week schedule.
27 FXfan : I'd like to see how it affects the cargo airlines. Anyone know?
Top Of Page
Forum Index

This topic is archived and can not be replied to any more.

Printer friendly format

Similar topics:More similar topics...
Airlines And Daylight Savings Time posted Sat Nov 5 2005 03:06:20 by 747srule
Daylight Savings Extension Costs Airlines $147M? posted Fri Jul 22 2005 17:44:12 by RoseFlyer
Question About Daylight Savings Time? posted Sun Apr 2 2006 04:51:24 by Sflaflight
KLM-AirFrance, Does The Merger Effect A/L History posted Tue Dec 27 2005 23:20:34 by Tom12
Does Service Suffer When Airlines Out-source? posted Tue Apr 26 2005 19:41:07 by AkjetBlue
Why Does China Need Multiple Airlines? posted Sun Apr 25 2004 16:03:09 by Yanksn4
Does Anybody Remember Aeromech Airlines Which Was posted Fri Jan 23 2004 22:38:08 by MainRunway
How Does FFPs Work For Airlines? posted Fri May 23 2003 09:52:51 by Cchan
How Does War Exactly Affect Airlines posted Wed Feb 5 2003 05:21:56 by Boeing 747-311
Does Or Did Southwest Airlines Fly Any Other Plane posted Wed Oct 24 2001 05:28:46 by Apollo13
Daylight Savings Extension Costs Airlines $147M? posted Fri Jul 22 2005 17:44:12 by RoseFlyer
Does Aircraft Branding Limit Airlines? posted Thu May 14 2009 15:35:32 by Glom
Question About Daylight Savings Time? posted Sun Apr 2 2006 04:51:24 by Sflaflight
KLM-AirFrance, Does The Merger Effect A/L History posted Tue Dec 27 2005 23:20:34 by Tom12
Does Service Suffer When Airlines Out-source? posted Tue Apr 26 2005 19:41:07 by AkjetBlue
Why Does China Need Multiple Airlines? posted Sun Apr 25 2004 16:03:09 by Yanksn4
Does Anybody Remember Aeromech Airlines Which Was posted Fri Jan 23 2004 22:38:08 by MainRunway
How Does FFPs Work For Airlines? posted Fri May 23 2003 09:52:51 by Cchan
How Does War Exactly Affect Airlines posted Wed Feb 5 2003 05:21:56 by Boeing 747-311