Carriers on This Route
12,051 flights a year link Denver, CO and Seattle, WA, a 1,024 mi (1,648 km) trip flown by 5 carriers.
"Airline-controllable" delays are within the carrier's power (scheduling, staffing, maintenance). Weather and air-traffic-control delays are outside its control. The red portion of each bar is the controllable share.
Airline Policy Comparison
The policy score combines how little a carrier costs you when things change: carry-on rules, checked-bag fees, and change fees. A higher score means fewer fees and more flexibility.
| Airline | Policy Score | Carry-on | Bag 1 | Changes |
|---|---|---|---|---|
| United Airlines | 73 | Free | $45 | Free |
| Alaska Airlines | 83 | Free | $45 | Free |
| Southwest Airlines | 83 | Free | $45 | Free |
| Delta Air Lines | 83 | Free | $45 | Free |
| Frontier Airlines | 5 | Fee | $65 | Fee |
Policy scores are a 0-100 rating based on each carrier's fee schedule and change rules, using the same scoring engine as our flight scores.
Airport Facts
Denver, CO
DEN
Denver International
Seattle, WA
SEA
Seattle/Tacoma International
Score a Flight on This Route
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