DL442 DetroitDTW · 16:21 San FranciscoSFO · 18:17
DL442 by Delta Air Lines flies from Detroit (DTW) to San Francisco (SFO).
scheduled from DTW
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
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by SFO (San Francisco), currently flying MVFR (marginal visual). These figures come from both airports' records 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 →
Tomorrow at Detroit
ForecastThu 5 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at San Francisco
ForecastThu 5 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Detroit to San Francisco flights today
same route · Delta Air LinesIf DL442 is cancelled, these are the other Delta Air Lines nonstop flights from Detroit to San Francisco on the same day, with scheduled departure times in DTW local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How DL442 actually runs
Pro Flight Search has tracked every published board update for DL442 across the DTW and SFO boards: schedule changes, gate pushes and actual clocks. Usually lands ~31 min late. Based on 4 confirmed landings · 2/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how DL442 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: N884DN, N810DN, N933DZ.
Board clocks recorded as DTW and SFO published them.
Planning around DL442? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: DL442 Detroit to San Francisco on-time performance, measured from the DTW and SFO airport boards.
https://proflightsearch.com/flight/DL442
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