DL1391 DetroitDTW · 14:49 PhiladelphiaPHL · 20:32
DL1391 by Delta Air Lines flies from Detroit (DTW) to Philadelphia (PHL) for the Sat, Sep 19 departure.
departs DTW · on schedule
board checked 45m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DTW and PHL are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Detroit to Philadelphia flights today
same route · Delta Air LinesIf DL1391 is cancelled, these are the other Delta Air Lines nonstop flights from Detroit to Philadelphia on the same day, with scheduled departure times in DTW local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL1391 actually runs
Pro Flight Search has tracked every published board update for DL1391 across the DTW and PHL boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left right on schedule but landed about 25 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how DL1391 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N915AT, N986AT.
Board clocks recorded as DTW and PHL published them.
Planning around DL1391? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL1391 Detroit to Philadelphia on-time performance, measured from the DTW and PHL airport boards.
https://proflightsearch.com/flight/DL1391
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