Best Time to Fly OAK to MCI: On-Time Stats by Hour & Airline
Oakland International → Kansas City International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 89.9% of Oakland (OAK) to Kansas City (MCI) flights arrived on time (159 scheduled flights). That is 12.2 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
August has been the best month (92% on time) and Thursday the weakest day of the week (83%).
0.0% of flights were cancelled, versus 1.8% nationally.
OAK 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 | 89.9% | 39 min | 0.0% | 159 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly OAK to MCI
On-time arrival % by scheduled departure hour (local time), 512 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 95.1% | 0.0% | 41 |
| 6am–7am | 96.3% | 1.4% | 139 |
| 7am–8am | 91.4% | 0.0% | 82 |
| 8am–9am | 83.8% | 1.3% | 75 |
| 9am–10am | 82.3% | 0.0% | 51 |
| 10am–11am | Limited data | 1 | |
| 11am–12pm | Limited data | 19 | |
| 12pm–1pm | 76.4% | 0.0% | 55 |
| 1pm–2pm | 76.5% | 0.0% | 34 |
| 2pm–3pm | Limited data | 8 | |
| 6pm–7pm | Limited data | 7 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on OAK 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 | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 96.7% | +8.0 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 85.7% | -2.9 pts | 1.3% | 78 |
| All other days | 88.6% | — | 0.5% | 390 |
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).