Flight AS473
Alaska Airlines flight AS473
Looking for AS473 in the air…
St Louis (STL) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 65 minutes. It was cancelled 0.6% of the time.
- On-time arrivals
- 90.0%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 321
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 51%
- Air traffic control & airport 41%
- Extreme weather 7%
- Security 1%
- Late-arriving aircraft 0%
Share of delay minutes airlines attributed to each cause (BTS).
Pittsburgh (PIT) to Seattle (SEA)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.0% | 30 |
| October 2025 | 100.0% | 31 |
| November 2025 | 96.6% | 30 |
| December 2025 | 58.1% | 31 |
| January 2026 | 83.3% | 6 |
| February 2026 | 85.7% | 14 |
| March 2026 | 92.3% | 27 |
| April 2026 | 93.3% | 30 |
| May 2026 | 100.0% | 31 |
| June 2026 | 93.3% | 30 |
| July 2026 | 93.5% | 31 |
| August 2026 | 87.1% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data