Airports › Seattle (SEA) › February 2026
Airport month · February 2026
Seattle/Tacoma International in February 2026
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In February 2026, reporting carriers scheduled 11,000 domestic departures from Seattle/Tacoma International (SEA). 83.3% left less than 15 minutes late and 83.5% reached their destination on time; 0.8% were cancelled.
Nationally that month, 78.1% of flights departed on time and 78.3% arrived on time, so SEA departures were 5.2 points above the national departure figure.
A year earlier, in February 2025, the airport had 10,738 departures with 78.2% leaving on time: a change of +5.1 points, with flights up 2%.
Flights arriving at SEA that month were on time 84.1% of the time (10,997 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 53%, late-arriving aircraft 21% and national aviation system 21%.
- On time 83.5%
- Arrived 15+ minutes late 15.4%
- Cancelled 0.8%
- Diverted 0.3%
February 2026 against a year earlier, the airport's year and the nation
| Measure | Feb 2026 | Feb 2025 | SEA, 12 months to Jul 2026 | All reported flights, Feb 2026 |
|---|---|---|---|---|
| Departed on time | 83.3% | 78.2% | 78.2% | 78.1% |
| Arrived on time | 83.5% | 76.8% | 78.6% | 78.3% |
| Cancelled | 0.8% | 1.3% | 0.9% | 2.3% |
| Average departure delay (late minutes only) | 10.4 min | 12.9 min | 13.2 min | 15.0 min |
| Scheduled departures a day | 367 | 358 | 452 | 17,168 |
| Scheduled departures | 11,000 | 10,738 | 164,821 | 515,037 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| AS Alaska Airlines | 5,325 | 48% | 83.5% | -1.9 min | 0.6% |
| DL Delta Air Lines | 2,233 | 20% | 80.3% | 0.5 min | 1.4% |
| OO SkyWest Airlines | 1,952 | 18% | 85.8% | 0.7 min | 0.6% |
| UA United Airlines | 476 | 4% | 87.0% | -1.6 min | 1.3% |
| WN Southwest Airlines | 473 | 4% | 82.9% | 1.8 min | 0.0% |
| AA American Airlines | 422 | 4% | 87.0% | -12.1 min | 1.2% |
| F9 Frontier Airlines | 79 | 1% | 81.0% | 15.0 min | 1.3% |
| MQ Envoy Air | 40 | 0% | 95.0% | -13.5 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| SEA–PHX | Seattle to Phoenix | 565 | 85.3% | 1.2 min | 0.4% |
| SEA–LAX | Seattle to Los Angeles | 554 | 82.5% | 2.4 min | 0.2% |
| SEA–SFO | Seattle to San Francisco | 480 | 73.5% | 11.2 min | 1.0% |
| SEA–LAS | Seattle to Las Vegas | 415 | 82.7% | 1.8 min | 0.2% |
| SEA–ANC | Seattle to Anchorage | 414 | 79.5% | -0.9 min | 0.2% |
| SEA–DEN | Seattle to Denver | 403 | 85.1% | -0.4 min | 0.0% |
| SEA–GEG | Seattle to Spokane | 400 | 88.0% | -2.1 min | 0.3% |
| SEA–PDX | Seattle to Portland | 361 | 87.0% | 0.7 min | 0.0% |
| SEA–DFW | Seattle to Dallas/Fort Worth | 344 | 87.2% | -9.4 min | 0.3% |
| SEA–SJC | Seattle to San Jose | 342 | 84.5% | -0.4 min | 0.0% |
| SEA–SAN | Seattle to San Diego | 306 | 81.4% | 1.8 min | 0.3% |
| SEA–ORD | Seattle to Chicago | 300 | 91.3% | -10.9 min | 0.7% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left SEA on time in February 2026?
83.3% of 11,000 scheduled domestic departures left less than 15 minutes late, and 83.5% reached their destination on time. The national figures that month were 78.1% and 78.3%.
How does that compare with a year earlier?
In February 2025, 78.2% of 10,738 departures left on time and 1.3% were cancelled, against 83.3% and 0.8% in February 2026.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for February 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SEA · methodology · corrections.