Flights Washington → Columbus
IAD → CMH
Route overview
The flight route from Washington to Columbus operates with an average on-time performance of 86%, with flights typically experiencing a mean delay of 7.5 minutes. Over the past year, there have been 355 scheduled flights on this route using various aircraft models including the De Havilland Canada DHC-8-400 Dash 8Q, Canadair Regional Jet 700, Embraer RJ145, and Embraer 170.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Washington (IAD) → Columbus (CMH) route is operated by United Airlines. Across 448 flights monitored in recent months, 84% arrived on time (within 15 min of schedule), with an average delay of 9 minutes. The cancellation rate is 0.45%. FlightGuard's average computed risk is 22.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Columbus the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Washington the average ATFM delay is 2.0 minutes.
Heading to Columbus: what to expect in this direction
Flying from Washington (IAD) to Columbus (CMH) heads west for about 481 km, a flight time of roughly 1h 1m.
Departures from Washington on this leg cluster in the morning window: about 27% of IAD-CMH flights take off then.
Air-traffic congestion: departing Washington the average ATFM delay is 2.0 min (atfm); arriving into Columbus it is 2.0 min (atfm).
Across 448 tracked IAD-CMH flights, 84% left on time with an average delay of 9 min and a 0.5% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
Airlines operating IAD-CMH
Airports
Frequently asked questions about IAD-CMH
On the Washington (IAD) -> Columbus (CMH) route, on-time performance is 84% with an average delay of 9 minutes, based on 448 tracked flights.
The cancellation rate on Washington-Columbus is 0.45% across 448 monitored flights.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Columbus, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
