IAD (Washington) to CVG (Cincinnati) flights arrive on time 87% of the time. The most reliable airline on this route is Republic Airways at 89%. The average delay is 64 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated August 2026.IAD → CVG
IAD (Washington) to CVG (Cincinnati)
IAD → CVG on-time performance by month
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This route is usually on time. About 87% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Republic Airways edges out United Airlines on this route — 89% vs 78% on time.
Airline Comparison
Republic Airways leads at 89% on time; United Airlines trails at 78%.
Accurate?
Good to know
Departing from IAD
82% on timeExpect ~21 min sitting on the taxiway after your gate pushes back. IAD has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at CVG
79% on timeWhen flights into CVG are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at CVG: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.
Flying out of IAD? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated August 2026. Source: Bureau of Transportation Statistics.