Flights Colorado Springs → Seattle
COS → SEA
Route overview
The flight route operates between Colorado Springs and Seattle, utilizing the Canadair Regional Jet 700 aircraft. The destination airport in Seattle sees an annual passenger traffic of over 52 million passengers, indicating a high volume of air travel activity at this hub.
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 Colorado Springs (COS) → Seattle (SEA) route is operated by Alaska Airlines. FlightGuard's average computed risk is 14.1/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Seattle the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Colorado Springs the average ATFM delay is 3.2 minutes.
Heading to Seattle: what to expect in this direction
Flying from Colorado Springs (COS) to Seattle (SEA) heads north-west for about 1,716 km, a flight time of roughly 2h 34m.
Air-traffic congestion: departing Colorado Springs the average ATFM delay is 3.2 min (airspace/NAS (BTS)); arriving into Seattle it is 2.0 min (atfm).
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Alaska Airlines (AS) | 67% | 10 min | 11.9% |
Airlines operating COS-SEA
Airports
Frequently asked questions about COS-SEA
Route-specific punctuality data isn't available yet. Check your flight on FlightGuard for a real-time analysis.
The cancellation rate varies by airline and season. Check your flight risk for an up-to-date estimate.
The route is operated by 1 airline: Alaska Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Seattle, 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.
