DL3639Delta Air Lines · BUF → DTW
updated 3h ago
Route confirmed Delta Air Lines

DL3639 BuffaloBUF DetroitDTW

DL3639 by Delta Air Lines flies from Buffalo (BUF) to Detroit (DTW).

Right nowNext departure tomorrow Operates daily
08:57

scheduled from BUF

The route today

live boards
BUFBuffaloOn-time likelyBUF delay board →
DTWDetroitOn-time likelyDTW delay board →
BUF→DTWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
26%Chance of 15+ min delay
1.1%Chance of cancellation
+7 minTypical airport delay in this weather

Conditions at BUF and DTW 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 at Buffalo

Forecast

Wed 11 Nov, local date

High13°Clikely 12°C to 15°C
Low3°Clikely 1°C to 5°C

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 Detroit

Forecast

Wed 11 Nov, local date

High14°Clikely 11°C to 15°C
Low3°Clikely 2°C to 5°C

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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Buffalo to Detroit flights today

same route · Delta Air Lines
DL8859departs 04:10
DL2898departs 06:15
DL1721departs 06:35
DL4639departs 09:00
DL3841departs 09:06
DL4636departs 12:00

If DL3639 is cancelled, these are the other Delta Air Lines nonstop flights from Buffalo to Detroit on the same day, with scheduled departure times in BUF 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 DL3639 actually runs

Pro Flight Search has tracked every published board update for DL3639 across the BUF and DTW boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at BUF and DTW.

The verdict above is that record speaking, so it reflects how DL3639 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around DL3639? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: DL3639 Buffalo to Detroit on-time performance, measured from the BUF and DTW airport boards.

Canonical URL
https://proflightsearch.com/flight/DL3639
How we measure this →