Flight AS99
Alaska Airlines flight AS99
Looking for AS99 in the air…
Seattle (SEA) to Anchorage (ANC)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 64 minutes. It was cancelled 0.9% of the time.
- On-time arrivals
- 75.2%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 317
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 39%
- Air traffic control & airport 12%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 70.0% | 30 |
| October 2025 | 63.3% | 31 |
| November 2025 | 86.2% | 30 |
| December 2025 | 66.7% | 13 |
| January 2026 | 84.6% | 26 |
| February 2026 | 84.0% | 25 |
| March 2026 | 66.7% | 24 |
| April 2026 | 81.8% | 22 |
| May 2026 | 77.8% | 27 |
| June 2026 | 82.8% | 29 |
| July 2026 | 74.2% | 31 |
| August 2026 | 62.1% | 29 |
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