Flight AS1543
Alaska Airlines flight AS1543
Looking for AS1543 in the air…
Anchorage (ANC) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 28% of the time, and when it is late the delay averages 53 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 72.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 68
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 52%
- Airline (crew, maintenance, cleaning) 44%
- Late-arriving aircraft 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 | 71.4% | 21 |
| July 2026 | 70.0% | 30 |
| August 2026 | 76.5% | 17 |
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