Flight AS427
Alaska Airlines flight AS427
Looking for AS427 in the air…
Palm Springs (PSP) to Portland (PDX)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 76 minutes. It was cancelled 2.0% of the time.
- On-time arrivals
- 91.2%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 197
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 55%
- Airline (crew, maintenance, cleaning) 30%
- Extreme weather 12%
- Air traffic control & airport 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Portland (PDX) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 52% of the time, and when it is late the delay averages 65 minutes. It was cancelled 4.3% of the time.
- On-time arrivals
- 48.5%
- Less than 15 minutes late
- Cancelled
- 4.3%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 69
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 57%
- Airline (crew, maintenance, cleaning) 43%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Orlando (MCO) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 40 minutes. It was cancelled 3.7% of the time.
- On-time arrivals
- 84.6%
- Less than 15 minutes late
- Cancelled
- 3.7%
- Of scheduled flights
- Average delay when late
- 40 min
- Flights arriving 15+ minutes late
- Flights tracked
- 27
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 62%
- Late-arriving aircraft 35%
- Airline (crew, maintenance, cleaning) 3%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| October 2025 | 66.7% | 6 |
| November 2025 | 89.7% | 29 |
| December 2025 | 100.0% | 30 |
| January 2026 | 79.3% | 31 |
| February 2026 | 89.3% | 28 |
| March 2026 | 90.3% | 31 |
| April 2026 | 100.0% | 30 |
| May 2026 | 86.2% | 30 |
| June 2026 | 55.2% | 29 |
| July 2026 | 56.7% | 31 |
| August 2026 | 50.0% | 18 |
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