Route
MCI → SFO
Kansas City International Airport San Francisco International Airport
1,499 miles
Return route SFO → MCI →
Alerts at MCI and SFO
How punctual is this route?
- On-time arrivals
- 70.8%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 87 min
- Flights arriving 15+ minutes late
- Flights tracked
- 365
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 59%
- Late-arriving aircraft 31%
- Airline (crew, maintenance, cleaning) 10%
- Extreme weather 0%
- Security 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% | 30 |
| October 2025 | 80.6% | 31 |
| November 2025 | 80.0% | 30 |
| December 2025 | 76.7% | 31 |
| January 2026 | 82.8% | 31 |
| February 2026 | 75.0% | 28 |
| March 2026 | 96.8% | 31 |
| April 2026 | 93.3% | 30 |
| May 2026 | 71.0% | 31 |
| June 2026 | 30.0% | 30 |
| July 2026 | 13.8% | 31 |
| August 2026 | 66.7% | 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
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 209 | 63.1% | 1.0% | 88 min |
| SkyWest Airlines | 156 | 81.0% | 1.3% | 84 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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