Best Time to Fly MCI to DCA: On-Time Stats by Hour & Airline
Kansas City International → Ronald Reagan Washington National
Data through July 2026 · Last updated October 18, 2026
1,927 flights were scheduled from Kansas City (MCI) to Washington (DCA) in the last 12 months, and 74.9% of those that flew arrived on time, 2.7 points below the US average of 77.6%.
Among 4 airlines, Envoy Air led with 89.9% on time and Southwest Airlines was last with 73.0%.
Over 24 months, Saturday was the most reliable day (87% on time) and July the worst month (66%).
The cancellation rate was 3.3% (US average 1.8%).
MCI to DCA 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 |
|---|---|---|---|---|
| Envoy Air | 89.9% | 85 min | 2.4% | 164 |
| Republic Airways | 76.3% | 38 min | 2.3% | 173 |
| PSA Airlines | 73.2% | 124 min | 6.9% | 568 |
| Southwest Airlines | 73.0% | 57 min | 1.6% | 997 |
| American Airlines | Limited data | 25 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MCI to DCA
On-time arrival % by scheduled departure hour (local time), 3,733 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 82.7% | 4.4% | 293 |
| 6am–7am | 87.4% | 3.5% | 405 |
| 7am–8am | 91.4% | 1.7% | 592 |
| 8am–9am | 91.3% | 0.0% | 69 |
| 9am–10am | 84.2% | 1.3% | 79 |
| 10am–11am | 77.6% | 4.9% | 263 |
| 11am–12pm | 78.1% | 1.9% | 257 |
| 12pm–1pm | 74.7% | 2.5% | 530 |
| 2pm–3pm | Limited data | 7 | |
| 3pm–4pm | 68.7% | 6.6% | 106 |
| 4pm–5pm | 67.0% | 6.0% | 216 |
| 5pm–6pm | 71.2% | 7.5% | 265 |
| 6pm–7pm | 54.1% | 1.0% | 509 |
| 7pm–8pm | 64.1% | 2.2% | 134 |
| 8pm–9pm | 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 MCI to DCA
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) | 67.6% | -10.1 pts | 0.0% | 74 |
| Christmas & New Year (Dec 20 - Jan 3) | 82.2% | +4.5 pts | 1.5% | 131 |
| Summer peak (Jun 15 - Aug 15) | 69.2% | -8.5 pts | 5.1% | 648 |
| All other days | 77.7% | — | 2.9% | 2,880 |
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).