Route
MCI → IAD
Kansas City International Airport Washington Dulles International Airport
926 miles
Return route IAD → MCI →
How punctual is this route?
- On-time arrivals
- 86.2%
- Less than 15 minutes late
- Cancelled
- 4.4%
- Of scheduled flights
- Average delay when late
- 148 min
- Flights arriving 15+ minutes late
- Flights tracked
- 206
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 47%
- Airline (crew, maintenance, cleaning) 44%
- Air traffic control & airport 9%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
May 2026
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| May 2026 | 90.9% | 22 |
| June 2026 | 86.4% | 60 |
| July 2026 | 84.5% | 62 |
| August 2026 | 85.7% | 62 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| United Airlines | 103 | 88.1% | 1.0% | 175 min |
| Republic Airways | 103 | 84.0% | 7.8% | 127 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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