DL1171 DetroitDTW · 14:17 BostonBOS · 16:15
DL1171 by Delta Air Lines flies from Detroit (DTW) to Boston (BOS) for the Sat, Oct 31 departure.
arrival expected at BOS · 8 min early
board checked 19m ago · checking again in 45s
Where the minutes go
last 5 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 −18 min · 0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DTW and BOS are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 on this route
ForecastDetroit to Boston with Delta Air Lines · Sun 1 Nov, local date
- Chance a departure leaves 60+ min late
- 4.6%0.9× usual
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 5 departures a day on this route with this airline. · 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 Boston flights today
same route · Delta Air LinesIf DL1171 is cancelled, these are the other Delta Air Lines nonstop flights from Detroit to Boston 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 DL1171 actually runs
Pro Flight Search has tracked every published board update for DL1171 across the DTW and BOS boards: schedule changes, gate pushes and actual clocks. Usually lands ~19 min early. Based on 4 confirmed landings · 4/4 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 DL1171 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: N392DN, N112DN, N393DN, N113DX.
Board clocks recorded as DTW and BOS published them.
Planning around DL1171? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: DL1171 Detroit to Boston on-time performance, measured from the DTW and BOS airport boards.
https://proflightsearch.com/flight/DL1171
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