DL9929 HoustonIAH · 14:30 DetroitDTW · 01:48
DL9929 by Delta Air Lines flies from Houston (IAH) to Detroit (DTW).
scheduled from IAH
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at IAH and DTW 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 Houston to Detroit flights today
same route · Delta Air LinesIf DL9929 is cancelled, these are the other Delta Air Lines nonstop flights from Houston to Detroit on the same day, with scheduled departure times in IAH local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How DL9929 actually runs
Pro Flight Search has tracked every published board update for DL9929 across the IAH and DTW boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left heavily delayed (~522 min) but landed heavily delayed (~66 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how DL9929 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: N374NW.
Board clocks recorded as IAH and DTW published them.
Planning around DL9929? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL9929 Houston to Detroit on-time performance, measured from the IAH and DTW airport boards.
https://proflightsearch.com/flight/DL9929
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