Flight AS563
Alaska Airlines flight AS563
Looking for AS563 in the air…
Kansas City (MCI) to Seattle (SEA)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 124 minutes. It was cancelled 1.0% of the time.
- On-time arrivals
- 90.5%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 124 min
- Flights arriving 15+ minutes late
- Flights tracked
- 288
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 54%
- Late-arriving aircraft 35%
- Air traffic control & airport 9%
- Security 1%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 30 |
| October 2025 | 76.9% | 27 |
| November 2025 | 93.3% | 30 |
| December 2025 | 76.7% | 31 |
| January 2026 | 66.7% | 6 |
| March 2026 | 100.0% | 11 |
| April 2026 | 86.2% | 30 |
| May 2026 | 96.8% | 31 |
| June 2026 | 96.7% | 30 |
| July 2026 | 93.5% | 31 |
| August 2026 | 93.5% | 31 |
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