Route
SEA → MKE
Seattle–Tacoma International Airport General Mitchell International Airport
1,694 miles
Return route MKE → SEA →
How punctual is this route?
- On-time arrivals
- 86.4%
- Less than 15 minutes late
- Cancelled
- 0.2%
- Of scheduled flights
- Average delay when late
- 41 min
- Flights arriving 15+ minutes late
- Flights tracked
- 509
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 39%
- Air traffic control & airport 32%
- Late-arriving aircraft 29%
- Security 0%
- 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 | 80.0% | 60 |
| October 2025 | 97.0% | 33 |
| November 2025 | 78.8% | 33 |
| December 2025 | 78.6% | 42 |
| January 2026 | 79.2% | 24 |
| February 2026 | 88.9% | 18 |
| March 2026 | 92.0% | 26 |
| April 2026 | 97.2% | 36 |
| May 2026 | 85.5% | 55 |
| June 2026 | 89.7% | 59 |
| July 2026 | 85.2% | 61 |
| August 2026 | 88.7% | 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
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Alaska Airlines | 509 | 86.4% | 0.2% | 41 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
Reviews
No reviews yet. Be the first to review this route.