Flight AS1633
Alaska Airlines flight AS1633
Looking for AS1633 in the air…
San Jose (SJC) to Portland (PDX)
Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 36 minutes. It was cancelled 2.9% of the time.
- On-time arrivals
- 89.7%
- Less than 15 minutes late
- Cancelled
- 2.9%
- Of scheduled flights
- Average delay when late
- 36 min
- Flights arriving 15+ minutes late
- Flights tracked
- 70
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 86%
- Airline (crew, maintenance, cleaning) 10%
- Air traffic control & airport 4%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Jun 2026
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| June 2026 | 95.2% | 21 |
| July 2026 | 90.3% | 31 |
| August 2026 | 81.2% | 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