DL17 LondonLHR · 10:45 DetroitDTW · 14:23
DL17 by Delta Air Lines flies from London (LHR) to Detroit (DTW).
scheduled from LHR
⚖ DL17 typically leaves +21 and lands −7. The air wins minutes back.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 −7 min · 1 cancelled · 11 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at LHR 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.
How DL17 actually runs
Pro Flight Search has tracked every published board update for DL17 across the LHR and DTW boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 9 confirmed landings · 7/9 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 DL17 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: N422DZ, N435DX, N437DX, N403DX.
Board clocks recorded as LHR and DTW published them.
Planning around DL17? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — DL17 London to Detroit on-time performance, measured from the LHR and DTW airport boards.
https://proflightsearch.com/flight/DL17
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