Kansas City (MCI) to Washington (DCA): On-Time Performance
Data through May 2026
The calendar drives reliability on MCI–DCA. September 2024 flights landed on schedule 88% of the time, but February 2025 dropped to 60% — a gap of 28 points. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (85% vs 63%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 2.7%
- Flights/day
- 5.3
- last 12 months
- Duration
- 2h 27m
- scheduled
- Distance
- 949 mi
Best airline from MCI to DCA
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 90% | 10 min | 3.2% | 189 |
| Republic Airways | 83% | 9 min | 1.8% | 550 |
| Southwest Airlines | 76% | 15 min | 1.3% | 1,996 |
| PSA Airlines | 72% | 37 min | 6.4% | 911 |
Monthly on-time trend
Best time to fly from MCI to DCA
Aim for departures around 7 a.m. (92% on-time); avoid 6 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 18 min |
| Tuesday | 78% | 17 min |
| Wednesday | 76% | 22 min |
| Thursday | 78% | 19 min |
| Friday | 75% | 25 min |
| Saturdaybest | 87% | 15 min |
| Sunday | 75% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft45%
- Airline operations24%
- National airspace system23%
- Weather8%
Frequently asked questions
- How often are flights from MCI to DCA delayed?
- 23% of MCI–DCA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 19 minutes.
- Which airline is most reliable from MCI to DCA?
- Envoy Air has the best on-time record on this route at 90%, based on 189 flights. 4 airlines flew MCI–DCA frequently enough to compare in this period.
- What is the best time of day to fly from MCI to DCA?
- Departures around 7 a.m. have the best record (92% on-time), while departures around 6 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MCI to DCA?
- The scheduled MCI–DCA flight time averages 2h 27m over 949 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are MCI to DCA flights cancelled?
- 2.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from MCI to DCA?
- February 2025 was the roughest month in this dataset, with only 60% of arrivals on time. The best was September 2024 at 88%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 3,698 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.