Washington (IAD) to Kansas City (MCI): On-Time Performance
Data through July 2026
Washington (IAD) to Kansas City (MCI) is a thinner route than most in this dataset — 146 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 78% arrived on time.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 0.40
- last 12 months
- Duration
- 2h 50m
- scheduled
- Distance
- 926 mi
Best airline from IAD to MCI
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 79% | 16 min | 0.0% | 79 |
| United Airlines | 78% | 30 min | 1.3% | 78 |
Monthly on-time trend
Best time to fly from IAD to MCI
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 90% | 9 min |
| Tuesday | 79% | 11 min |
| Wednesday | 70% | 25 min |
| Thursday | 82% | 10 min |
| Friday | 77% | 31 min |
| Saturday | 79% | 19 min |
| Sunday | 71% | 58 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft36%
- Airline operations19%
- National airspace system23%
- Weather22%
Frequently asked questions
- How often are flights from IAD to MCI delayed?
- 22% of IAD–MCI 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 23 minutes.
- Which airline is most reliable from IAD to MCI?
- Republic Airways has the best on-time record on this route at 79%, based on 79 flights. 2 airlines flew IAD–MCI frequently enough to compare in this period.
- How long is the flight from IAD to MCI?
- The scheduled IAD–MCI flight time averages 2h 50m over 926 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are IAD to MCI flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
Explore related pages
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Other ways to fly to Kansas City (MCI)
Related guides
Based on 157 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.