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Flights Seattle → Detroit

SEA → DTW

22.7
Average risk (Medium)
85%
On-time
8 min
Average delay
2.3%
Cancellations
1
Airlines

Route overview

The flight route from Seattle to Detroit has an on-time performance rate of 86%, with an average delay of 8.1 minutes per flight. Over the course of a year, this route sees approximately 432 flights using various Boeing aircraft models including the 757-300 and 737-800. The destination airport in Detroit handles nearly 28 million passengers annually.

Your rights on this US flight (DOT)

US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.

US flight refund rules & checker →

General information, not legal advice.

The Seattle (SEA) → Detroit (DTW) route is operated by Delta Air Lines. Across 563 flights monitored in recent months, 85% arrived on time (within 15 min of schedule), with an average delay of 8 minutes. The cancellation rate is 2.31%. FlightGuard's average computed risk is 22.7/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Detroit the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Seattle the average ATFM delay is 2.0 minutes.

Heading to Detroit: what to expect in this direction

Flying from Seattle (SEA) to Detroit (DTW) heads east for about 3,093 km, a flight time of roughly 4h 17m.

Departures from Seattle on this leg cluster in the overnight window: about 60% of SEA-DTW flights take off then.

Air-traffic congestion: departing Seattle the average ATFM delay is 2.0 min (atfm); arriving into Detroit it is 2.0 min (atfm).

Across 563 tracked SEA-DTW flights, 85% left on time with an average delay of 8 min and a 2.3% cancellation rate.

Route facts

Time difference
3h ahead
Arrival (dest. local time)
12:17
Elevation DTW
645 ft
Typical aircraft
Boeing 757-300, Boeing 737-800
Est. CO₂/passenger
~309 kg

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Airline punctuality on this route

Airline On-time Average delay Cancellations
Delta Air Lines (DL) 80% 8 min 1.8%

Airlines operating SEA-DTW

Frequently asked questions about SEA-DTW

On the Seattle (SEA) -> Detroit (DTW) route, on-time performance is 85% with an average delay of 8 minutes, based on 563 tracked flights.

The cancellation rate on Seattle-Detroit is 2.31% across 563 monitored flights.

The route is operated by 1 airline: Delta Air Lines.

Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Detroit, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.

US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.