Flight AS684
Alaska Airlines flight AS684
Looking for AS684 in the air…
Denver (DEN) to Portland (PDX)
Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 57 minutes. It was cancelled 0.4% of the time.
- On-time arrivals
- 87.8%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 247
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 44%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 22%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Portland (PDX) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 46 minutes. It was cancelled 0.5% of the time.
- On-time arrivals
- 89.2%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 46 min
- Flights arriving 15+ minutes late
- Flights tracked
- 187
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 67%
- Airline (crew, maintenance, cleaning) 30%
- Late-arriving aircraft 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 | 83.3% | 12 |
| November 2025 | 76.7% | 60 |
| December 2025 | 77.6% | 58 |
| January 2026 | 85.7% | 44 |
| February 2026 | 88.0% | 50 |
| March 2026 | 94.1% | 34 |
| April 2026 | 100.0% | 18 |
| May 2026 | 98.2% | 56 |
| June 2026 | 91.2% | 34 |
| July 2026 | 100.0% | 27 |
| August 2026 | 92.7% | 41 |
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