Kansas City (MCI) to Washington (DCA): On-Time Performance
Data through July 2026
The biggest risk when flying MCI to DCA isn't a late arrival — it's not departing at all. 3.1% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 76% land on time, below the national average of 78%. Envoy Air has been the safer pick, arriving on time 90% of the time.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 20 min
- completed flights
- Cancelled
- 3.1%
- 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 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 90% | 10 min | 3.2% | 189 |
| Republic Airways | 82% | 9 min | 2.6% | 501 |
| Southwest Airlines | 75% | 16 min | 1.5% | 2,081 |
| PSA Airlines | 73% | 37 min | 6.6% | 1,052 |
Monthly on-time trend
Best time to fly from MCI to DCA
Aim for departures around 7 a.m. (91% on-time); avoid 6 p.m. departures (53%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 21 min |
| Tuesday | 78% | 16 min |
| Wednesday | 76% | 22 min |
| Thursday | 75% | 20 min |
| Friday | 73% | 26 min |
| Saturdaybest | 86% | 21 min |
| Sunday | 74% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft43%
- Airline operations25%
- National airspace system22%
- Weather9%
- Security1%
Frequently asked questions
- How often are flights from MCI to DCA delayed?
- 24% of MCI–DCA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 20 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 (91% on-time), while departures around 6 p.m. have the worst (53%). 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 24% of the time.
- How often are MCI to DCA flights cancelled?
- 3.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- 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 3,875 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.