Best Time to Fly MCI to OAK: On-Time Stats by Hour & Airline
Kansas City International → Oakland International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 63.1% of Kansas City (MCI) to Oakland (OAK) flights arrived on time (159 scheduled flights). That is 14.6 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
May has been the best month (87% on time) and Thursday the weakest day of the week (58%).
0.0% of flights were cancelled, versus 1.8% nationally.
MCI to OAK 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 | 63.1% | 36 min | 0.0% | 159 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MCI to OAK
On-time arrival % by scheduled departure hour (local time), 512 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 1 | |
| 8am–9am | Limited data | 7 | |
| 9am–10am | Limited data | 18 | |
| 10am–11am | Limited data | 16 | |
| 11am–12pm | Limited data | 28 | |
| 12pm–1pm | Limited data | 18 | |
| 1pm–2pm | Limited data | 29 | |
| 2pm–3pm | 64.2% | 0.9% | 110 |
| 3pm–4pm | 68.6% | 0.6% | 177 |
| 4pm–5pm | 66.7% | 0.0% | 30 |
| 5pm–6pm | 53.1% | 0.0% | 32 |
| 6pm–7pm | 59.4% | 0.0% | 33 |
| 7pm–8pm | Limited data | 3 | |
| 8pm–9pm | Limited data | 1 | |
| 9pm–10pm | Limited data | 9 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MCI to OAK
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) | 50.0% | -24.6 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 55.8% | -18.8 pts | 1.3% | 78 |
| All other days | 74.6% | — | 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).