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fabian9
Topic Author
Posts: 66
Joined: Thu Mar 29, 2007 5:27 am

What’s in a Delta flight number?

Fri Apr 13, 2018 2:52 pm

Does anybody know the system behind Delta flight numbers?

Eg DL9931 ATL-TLS on 11.3. seems to be an odd one as it’s 4 digits and starts with 9? All other flights this a/c did recently were 3 digit?
 
727LOVER
Posts: 8633
Joined: Tue Oct 09, 2001 12:22 am

Re: What’s in a Delta flight number?

Fri Apr 13, 2018 2:57 pm

Doesn't 9XXX mean it's a charter or a ferry?
"We must accept finite disappointment, but never lose infinite hope." - Martin Luther King, Jr.
 
ctrabs0114
Posts: 1109
Joined: Mon Oct 09, 2017 8:09 am

Re: What’s in a Delta flight number?

Fri Apr 13, 2018 3:58 pm

727LOVER wrote:
Doesn't 9XXX mean it's a charter or a ferry?


DL9xxx would seem to indicate a ferry flight; DL charters are usually in the range of DL88xx-89xx, at least for sports team charters.

Also, the destination would seem to indicate that this particular flight is heading to the Airbus plant to pick up a new A359.
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fabian9
Topic Author
Posts: 66
Joined: Thu Mar 29, 2007 5:27 am

Re: What’s in a Delta flight number?

Fri Apr 13, 2018 4:07 pm

Yeah that was my initial reaction as well. However DL9770 was ATL-TLS on 9.4., and DL9931 was TLS-ATL on 11.4., both on a 767.

Would DL fly a whole 767 worth of staff to TLS just to go pick up an A350?

There was an A350 transfer flight today (DL9959).
 
ctrabs0114
Posts: 1109
Joined: Mon Oct 09, 2017 8:09 am

Re: What’s in a Delta flight number?

Fri Apr 13, 2018 4:10 pm

fabian9 wrote:
Yeah that was my initial reaction as well. However DL9770 was ATL-TLS on 9.4., and DL9931 was TLS-ATL on 11.4., both on a 767.

Would DL fly a whole 767 worth of staff to TLS just to go pick up an A350?

There was an A350 transfer flight today (DL9959).


I'm not so sure a 757 could make the ATL-TLS mission, so the 767 was probably the best available frame for that assignment (a 330 might also work in this case, but I'm sure it also has to do with what ships are available).

Here's an explanation on Monday's DL9770 from a separate unrelated topic:

viewtopic.php?f=3&t=1391197
2019: DAL, MCI, PHX, LAS, DFW, SAT, ORD, SLC, SEA, DTW, PHL, MIA, LAX; B73G (WN x3), B738 (WN, AA, DL), A20N (NK), MD83 (AA), B788 (AA x2), CS1 (DL), B739 (DL), B712 (DL), B752 (AA), B763 (AA), B77W (AA), B789 (AA)
Next: TBA
 
bobbymcgee77
Posts: 2
Joined: Mon Mar 19, 2018 8:08 pm

Re: What’s in a Delta flight number?

Fri Apr 13, 2018 4:19 pm

Each year, Delta employees are peer-nominated for the Chairman's Club, Delta's highest employee honor. From those nominations, 100 of Delta's top employees are selected and are celebrated with an aircraft delivery, which have recently been in TLS for A330-300s and A350s. The ATL-TLS mission was a charter flight bringing the employees to TLS.
 
MO11
Posts: 1559
Joined: Sun Jan 08, 2017 5:07 pm

Re: What’s in a Delta flight number?

Fri Apr 13, 2018 4:46 pm

ctrabs0114 wrote:
727LOVER wrote:
Doesn't 9XXX mean it's a charter or a ferry?


DL9xxx would seem to indicate a ferry flight; DL charters are usually in the range of DL88xx-89xx, at least for sports team charters.



The DL flight number assignments are pared down into smaller blocks, sometimes with as little as two numbers.

9931-9979 are ferries. 8820-8863 are ferry flights that position to/from charters, while 8864-8969 are charters, as is 9770-9774. 9980-9987 are maintenance flights, 9988-9993 are training flights, etc.

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