Best Time to Fly SAT to MCI: On-Time Stats by Hour & Airline
San Antonio International → Kansas City International
Data through July 2026 · Last updated October 18, 2026
270 flights were scheduled from San Antonio (SAT) to Kansas City (MCI) in the last 12 months, and 80.7% of those that flew arrived on time, 3.0 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
December has been the best month (90% on time) and Monday the weakest day of the week (80%).
0.0% of flights were cancelled, versus 1.8% nationally.
SAT 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 |
|---|---|---|---|---|
| Southwest Airlines | 80.7% | 60 min | 0.0% | 270 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAT to MCI
On-time arrival % by scheduled departure hour (local time), 547 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 1 | |
| 8am–9am | Limited data | 24 | |
| 9am–10am | Limited data | 5 | |
| 10am–11am | Limited data | 25 | |
| 11am–12pm | 80.9% | 0.5% | 212 |
| 12pm–1pm | 84.6% | 0.0% | 78 |
| 1pm–2pm | 89.0% | 0.0% | 118 |
| 2pm–3pm | 90.0% | 0.0% | 30 |
| 4pm–5pm | Limited data | 13 | |
| 5pm–6pm | Limited data | 1 | |
| 6pm–7pm | Limited data | 18 | |
| 7pm–8pm | Limited data | 7 | |
| 8pm–9pm | Limited data | 7 | |
| 9pm–10pm | Limited data | 8 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SAT 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 | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 22 | ||
| Summer peak (Jun 15 - Aug 15) | 76.3% | -8.8 pts | 0.0% | 115 |
| All other days | 85.1% | — | 0.2% | 398 |
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).