Flight AS329
Alaska Airlines flight AS329
Looking for AS329 in the air…
Chicago (ORD) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 37% of the time, and when it is late the delay averages 74 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 62.5%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 255
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Air traffic control & airport 29%
- Airline (crew, maintenance, cleaning) 20%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Anchorage (ANC) to Portland (PDX)
Only 13 flights on record, which is too few for reliable odds.
- On-time arrivals
- 92.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 13
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 92%
- Air traffic control & airport 8%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Seattle (SEA) to Kansas City (MCI)
Only 5 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 5
- Scheduled flights in the period
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.7% | 30 |
| October 2025 | 63.3% | 31 |
| November 2025 | 53.6% | 28 |
| December 2025 | 58.6% | 29 |
| January 2026 | 100.0% | 10 |
| February 2026 | 77.8% | 9 |
| March 2026 | 57.1% | 7 |
| April 2026 | 75.0% | 9 |
| May 2026 | 76.7% | 30 |
| June 2026 | 55.2% | 30 |
| July 2026 | 44.8% | 30 |
| August 2026 | 60.0% | 30 |
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