Flight AS551
Alaska Airlines flight AS551
Looking for AS551 in the air…
Alerts at this flight's airports
-
Read the story →
Watch Ground Delay Program SAN
Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes
Reason: airport volume
Airport status
Seattle (SEA) to Las Vegas (LAS)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 53 minutes. It was cancelled 1.2% of the time.
- On-time arrivals
- 81.2%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 248
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 38%
- Air traffic control & airport 34%
- Late-arriving aircraft 27%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dallas-Fort Worth (DFW) to San Diego (SAN)
Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 66 minutes. It was cancelled 1.2% of the time.
- On-time arrivals
- 62.2%
- Less than 15 minutes late
- Cancelled
- 1.2%
- Of scheduled flights
- Average delay when late
- 66 min
- Flights arriving 15+ minutes late
- Flights tracked
- 83
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 31%
- Airline (crew, maintenance, cleaning) 30%
- Late-arriving aircraft 27%
- Extreme weather 13%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 75.9% | 29 |
| October 2025 | 80.0% | 31 |
| November 2025 | 79.3% | 29 |
| December 2025 | 75.0% | 17 |
| January 2026 | 84.0% | 25 |
| February 2026 | 88.0% | 25 |
| March 2026 | 60.0% | 26 |
| April 2026 | 85.2% | 27 |
| May 2026 | 96.7% | 30 |
| June 2026 | 60.0% | 30 |
| July 2026 | 64.5% | 31 |
| August 2026 | 70.0% | 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