DL4139 DetroitDTW · 17:56 ClevelandCLE · 18:56
DL4139 by Delta Air Lines flies from Detroit (DTW) to Cleveland (CLE).
scheduled from DTW
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −23 min · 0 cancelled · 7 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by CLE (Cleveland), 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
ForecastMon 16 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 Cleveland
ForecastMon 16 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 Cleveland flights today
same route · Delta Air LinesIf DL4139 is cancelled, these are the other Delta Air Lines nonstop flights from Detroit to Cleveland 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 DL4139 actually runs
Pro Flight Search has tracked every published board update for DL4139 across the DTW and CLE boards: schedule changes, gate pushes and actual clocks. Usually lands ~17 min early. Based on 7 confirmed landings · 4/7 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how DL4139 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: N820SK, N161PQ, N838SK.
Board clocks recorded as DTW and CLE published them.
Planning around DL4139? 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: DL4139 Detroit to Cleveland on-time performance, measured from the DTW and CLE airport boards.
https://proflightsearch.com/flight/DL4139
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