DL4039 SeattleSEA · 19:50 BozemanBZN
DL4039 by Delta Air Lines flies from Seattle (SEA) to Bozeman (BZN) for the Wed, Oct 21 departure.
departs SEA · on schedule
board checked 50m ago · checking again in 45s
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Seattle to Bozeman flights today
same route · Delta Air LinesIf DL4039 is cancelled, this is the other Delta Air Lines nonstop flight from Seattle to Bozeman on the same day, with scheduled departure times in SEA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL4039 actually runs
Pro Flight Search has tracked every published board update for DL4039 across the SEA and BZN boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at SEA and BZN.
The verdict above is that record speaking, so it reflects how DL4039 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SEA and BZN published them.
Planning around DL4039? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL4039 Seattle to Bozeman on-time performance, measured from the SEA and BZN airport boards.
https://proflightsearch.com/flight/DL4039
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