MCI (Kansas City) to IAD (Washington) flights arrive on time 91% of the time. The most reliable airline on this route is Republic Airways at 100%. The average delay is 106 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated July 2026.MCI → IAD
MCI (Kansas City) to IAD (Washington)
MCI → IAD on-time performance by month
This route is usually on time. About 91% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Republic Airways is significantly more reliable on this route at 100% on time vs United Airlines at 82%.
Airline Comparison
Republic Airways leads at 100% on time; United Airlines trails at 82%.
Good to know
Departing from MCI
80% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. MCI has long runway queues.
TSA is currently ~6 min. Best time: 4 AM (about 5 min).
Arriving at IAD
82% on timeWhen flights into IAD are late, the average delay is 75 minutes. Build buffer if you have ground plans.
If connecting at IAD: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated July 2026. Source: Bureau of Transportation Statistics.