Route Reliability
San Francisco → Kansas City
SFO–MCI · 1,499 miles · San Francisco International Airport to Kansas City International Airport
- 77%
- Arrive within 15 minutes
- 4 min
- Average arrival delay
- 0.3%
- Cancelled
- 365
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 77% of the time across 365 flights. No comparison to make.
What the data says
The 12–3 PM departure wins.
SFO–MCI flights departing between 12–3 PM arrived on time 80% of the time, versus 64% between 3–6 PM.
Monday is the weak spot.
SFO–MCI flights arrived on time 81% of the time on Sundays. On Mondays: 69%.
It basically never cancels.
Out of 365 scheduled flights, only 0.3% were cancelled.
Recent months have been rougher.
SFO–MCI flights arrived on time 66% of the time over the last three months in the data, compared with 79% in the three months before that.
Flights on this route
The breakdown
- Mon69%(52 flights)
- Tue79%(52 flights)
- Wed79%(52 flights)
- Thu78%(51 flights)
- Fri79%(52 flights)
- Sat77%(51 flights)
- Sun81%(52 flights)
- 9 AM–12 PM80%(239 flights)
- 12–3 PM80%(65 flights)
- 3–6 PM64%(58 flights)
Jun 90% → May 52% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 29 |
| July 2025 | 81% | 31 |
| August 2025 | 93% | 30 |
| September 2025 | 77% | 30 |
| October 2025 | 81% | 31 |
| November 2025 | 73% | 30 |
| December 2025 | 77% | 31 |
| January 2026 | 77% | 30 |
| February 2026 | 82% | 28 |
| March 2026 | 74% | 31 |
| April 2026 | 73% | 30 |
| May 2026 | 52% | 31 |
Same trip, other airports
Keep nerding
Based on 365 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.