DL3900 DetroitDTW · 19:45 South BendSBN
DL3900 by Delta Air Lines flies from Detroit (DTW) to South Bend (SBN) for the Thu, Nov 5 departure.
en route from DTW to SBN
board checked 92m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 20:01.
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 operation0 cancelled · 14 operations tracked
The route today
live boardsTomorrow at Detroit
ForecastFri 6 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 South Bend flights today
same route · Delta Air LinesIf DL3900 is cancelled, these are the other Delta Air Lines nonstop flights from Detroit to South Bend 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 DL3900 actually runs
Pro Flight Search has tracked every published board update for DL3900 across the DTW and SBN boards: schedule changes, gate pushes and actual clocks. Usually departs ~15 min late. Based on 14 confirmed departures · 8/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how DL3900 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: N840SK, N838SK, N813SK, N897SK.
Board clocks recorded as DTW and SBN published them.
Planning around DL3900? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: DL3900 Detroit to South Bend on-time performance, measured from the DTW and SBN airport boards.
https://proflightsearch.com/flight/DL3900
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