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Flight Durations  
User currently offlineTrb10 From United Kingdom, joined Jul 2004, 179 posts, RR: 0
Posted (9 years 1 month 3 weeks 1 day 15 hours ago) and read 1492 times:

I hope I can explain my query clearly enough so here goes...

If a flight has left airport X at 10am and arrived at airport Y at 11am has it been in the air for that hour or does the taxiing at either end count in that hour as well? Also when an airport website has departed 10am is that the same as one that says airborne at 10am? and the same for landed 11am and arrived 11am are they both the same or not?

Many thanks for your help.

9 replies: All unread, jump to last
 
User currently offlineJkw777 From , joined Dec 1969, posts, RR:
Reply 1, posted (9 years 1 month 3 weeks 1 day 15 hours ago) and read 1480 times:

I'm confused, but it sounds like you are questioning time itself....!

Quoting Trb10 (Thread starter):
If a flight has left airport X at 10am and arrived at airport Y at 11am has it been in the air for that hour or does the taxiing at either end count in that hour as well?

If it left at 10am and arrived at 11am, the total journey time was 1 hour. Who knows how long was spent in the air and how long was spent taxiing!!

Cheers,
Justin  Smile


User currently offlineTrb10 From United Kingdom, joined Jul 2004, 179 posts, RR: 0
Reply 2, posted (9 years 1 month 3 weeks 1 day 15 hours ago) and read 1459 times:

I'm not asking for specific figures!! Just for any given flight length are the taxi times etc built into that or is it solely in air time?

User currently offlineCitationJet From United States of America, joined Mar 2003, 2421 posts, RR: 3
Reply 3, posted (9 years 1 month 3 weeks 1 day 15 hours ago) and read 1427 times:

Quoting Trb10 (Reply 2):
I'm not asking for specific figures!! Just for any given flight length are the taxi times etc built into that or is it solely in air time?

The airline scheduled departure time is the time the plane leaves the gate. The scheduled arrival time is the time the plane arrives at the gate at the destination.
Takeoff and touchdown times are not normally published or displayed in airport arrival/departure boards. These are meaningless to the passenger.



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User currently offlineBond007 From United States of America, joined Mar 2005, 5397 posts, RR: 8
Reply 4, posted (9 years 1 month 3 weeks 1 day 15 hours ago) and read 1414 times:

What Does Arrival Time Really Mean? (by Venezuela747 May 31 2005 in Civil Aviation)


Jimbo



I'd rather be on the ground wishing I was in the air, than in the air wishing I was on the ground!
User currently offlineJhooper From United States of America, joined Dec 2001, 6202 posts, RR: 12
Reply 5, posted (9 years 1 month 3 weeks 1 day 15 hours ago) and read 1409 times:

Yes, taxi times are built in to the schedules.. If a plane departed the gate at 11:00am, it has "departed". When a plane arrives at the gate at 12:00pm, it has "arrived".

...however, when the airline files the ATC flight plan, I believe the departure time refers to "wheels up" and the arrival time means arrival at the initial approach fix.



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User currently offlineCommavia From United States of America, joined Apr 2005, 11411 posts, RR: 62
Reply 6, posted (9 years 1 month 3 weeks 1 day 14 hours ago) and read 1402 times:

I think what you are asking is whether schedules or padded (i.e., time is added to the schedule at both ends of the trip to factor in taxiing, ATC, congestion, etc.). The answer is generally yes. Airlines very typically pad schedules to take taxiing and congestion delays into effect. For example, AA's LGA-DFW flights are all blocked (i.e., gate-to-gate) for 3.5-4.0 hours while the actually flying time is usually closer to 3.0 hours. They pad the schedules because of the congestion they know will inevitably happen at LGA, and thus keep their on-time numbers looking good. This is industry common practice.

User currently offlineCedarjet From United Kingdom, joined May 1999, 8049 posts, RR: 54
Reply 7, posted (9 years 1 month 3 weeks 1 day 14 hours ago) and read 1368 times:

This is correct, look no further for clarification:

Quoting CitationJet (Reply 3):
The airline scheduled departure time is the time the plane leaves the gate. The scheduled arrival time is the time the plane arrives at the gate at the destination.
Takeoff and touchdown times are not normally published or displayed in airport arrival/departure boards. These are meaningless to the passenger.

As a PS, some airlines list the flight duractions (with little knife and fork / movie projector icons to show the service on each sector) seperately in the back of their timetables, and these are airborne flight durations.



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User currently offlineGoldenshield From United States of America, joined Jan 2001, 5970 posts, RR: 14
Reply 8, posted (9 years 1 month 3 weeks 1 day 14 hours ago) and read 1323 times:

Flight plans are filed with gate departure time, or proposed time.


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User currently offlineRichardnhsv From United States of America, joined Apr 2005, 473 posts, RR: 2
Reply 9, posted (9 years 1 month 3 weeks 1 day 13 hours ago) and read 1318 times:

Flight schedules are published as gate-to-gate with about 15-20minutes padding (depending on the airports) to account for possible minor delays.


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