Best Time to Fly BWI to MCI: On-Time Stats by Hour & Airline
Baltimore/Washington International Thurgood Marshall → Kansas City International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.4% of Baltimore (BWI) to Kansas City (MCI) flights arrived on time (879 scheduled flights). That is in line with the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
February has been the best month (87% on time) and Monday the weakest day of the week (71%).
1.6% of flights were cancelled, versus 1.8% nationally.
BWI 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 | 77.4% | 53 min | 1.6% | 879 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BWI to MCI
On-time arrival % by scheduled departure hour (local time), 1,698 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 19 | |
| 8am–9am | 89.9% | 1.4% | 353 |
| 9am–10am | 89.4% | 1.1% | 191 |
| 10am–11am | 84.8% | 0.9% | 114 |
| 11am–12pm | 80.0% | 0.0% | 35 |
| 12pm–1pm | 57.5% | 2.4% | 41 |
| 1pm–2pm | 79.7% | 0.0% | 59 |
| 2pm–3pm | 74.0% | 0.0% | 96 |
| 3pm–4pm | 69.7% | 1.2% | 168 |
| 4pm–5pm | Limited data | 13 | |
| 5pm–6pm | 82.9% | 0.0% | 36 |
| 6pm–7pm | 76.2% | 3.1% | 65 |
| 7pm–8pm | 59.9% | 1.3% | 150 |
| 8pm–9pm | 62.0% | 0.9% | 109 |
| 9pm–10pm | 59.5% | 2.5% | 200 |
| 10pm–11pm | 51.1% | 8.2% | 49 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BWI 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) | 80.0% | +1.0 pts | 0.0% | 35 |
| Christmas & New Year (Dec 20 - Jan 3) | 65.3% | -13.8 pts | 2.7% | 74 |
| Summer peak (Jun 15 - Aug 15) | 63.7% | -15.4 pts | 1.9% | 378 |
| All other days | 79.0% | — | 1.3% | 1,211 |
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).