No clear winner: Alaska’s SEA → PIT flights land within a few points of 4 in 5 on time whatever the hour.
Time of day × airport
Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).
Pick an hour to see this route’s flights leaving then.
Airlines on this route
Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
| Alaska | 470 | 79% | 0.6% | 50 min |
Flights, best and worst
Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
| AS 412 | SEA 09:34 | PIT 17:12 | 78% |
Nonstops by airline and airport
Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
| Alaska | SEA | PIT | 4h 38m | 79% | 0.6% | 470 | Flying now |
Alternatives with one stop
All connections →| DeltaDetails → | SEA 09:05 → MSP 14:25DL 536 | 1h 06m Minneapolis | MSP 15:31 → PIT 18:48DL 3709 · flown by SkyWest | 6h 43m | 93% | 69% |
| UnitedDetails → | SEA 12:50 → DEN 16:42UA 1351 | 56m Denver | DEN 17:38 → PIT 22:45UA 2155 | 6h 55m | 88% | 63% |
| DeltaDetails → | SEA 14:30 → DTW 21:48DL 533 | 1h 02m Detroit | DTW 22:50 → PIT 00:07 +1DL 5369 · flown by Endeavor | 6h 36m | 87% | 54% |
About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON