Best Time to Fly SFO to MCI: On-Time Stats by Hour & Airline
San Francisco International → Kansas City International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 68.9% of San Francisco (SFO) to Kansas City (MCI) flights arrived on time (365 scheduled flights). That is 8.8 points below the national average of 77.6%.
SkyWest Airlines was the most punctual of the 2 airlines on the route at 80.5%, while United Airlines trailed at 56.7%.
October has been the best month (89% on time) and Monday the weakest day of the week (72%).
0.3% of flights were cancelled, versus 1.8% nationally.
SFO to MCI on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 80.5% | 46 min | 0.5% | 187 |
| United Airlines | 56.7% | 61 min | 0.0% | 178 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SFO to MCI
On-time arrival % by scheduled departure hour (local time), 813 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 9am–10am | 88.6% | 0.8% | 257 |
| 10am–11am | Limited data | 24 | |
| 11am–12pm | 80.6% | 0.0% | 208 |
| 12pm–1pm | 75.8% | 0.0% | 33 |
| 1pm–2pm | 84.8% | 2.9% | 34 |
| 4pm–5pm | 49.1% | 0.0% | 118 |
| 6pm–7pm | 83.6% | 3.6% | 139 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SFO to MCI
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 19 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 81.4% | +0.8 pts | 0.0% | 43 |
| Summer peak (Jun 15 - Aug 15) | 65.8% | -14.8 pts | 1.6% | 124 |
| All other days | 80.7% | — | 1.0% | 627 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).