Flight OO3953
SkyWest Airlines flight OO3953
Looking for OO3953 in the air…
Portland (PDX) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 52 minutes. It was cancelled 0.5% of the time.
- On-time arrivals
- 82.6%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 52 min
- Flights arriving 15+ minutes late
- Flights tracked
- 365
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 64%
- Air traffic control & airport 21%
- Extreme weather 15%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Seattle (SEA) to Portland (PDX)
Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 69 minutes. It was cancelled 0.3% of the time.
- On-time arrivals
- 93.1%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 365
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 78%
- Extreme weather 17%
- Air traffic control & airport 5%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 93.3% | 60 |
| October 2025 | 90.3% | 62 |
| November 2025 | 91.4% | 60 |
| December 2025 | 79.0% | 62 |
| January 2026 | 87.1% | 62 |
| February 2026 | 94.6% | 56 |
| March 2026 | 86.9% | 62 |
| April 2026 | 88.3% | 60 |
| May 2026 | 90.3% | 62 |
| June 2026 | 76.7% | 60 |
| July 2026 | 95.2% | 62 |
| August 2026 | 82.3% | 62 |
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