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Flights Chicago → Washington

ORD → IAD

19.7
Average risk (Medium)
77%
On-time
21 min
Average delay
0.9%
Cancellations
1
Airlines

Route overview

The flight route from Chicago to Washington operates with an 80% on-time performance rate, with the average delay being 18.3 minutes when delays do occur. Over the course of a year, this route sees approximately 441 flights using various aircraft models including Boeing and Airbus series planes, serving a destination airport that accommodates nearly 21.4 million passengers annually.

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 Chicago (ORD) → Washington (IAD) route is operated by United Airlines. Across 565 flights monitored in recent months, 77% arrived on time (within 15 min of schedule), with an average delay of 21 minutes. The cancellation rate is 0.88%. FlightGuard's average computed risk is 19.7/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Washington the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Chicago the average ATFM delay is 2.0 minutes.

Heading to Washington: what to expect in this direction

Flying from Chicago (ORD) to Washington (IAD) heads east for about 945 km, a flight time of roughly 1h 36m.

Departures from Chicago on this leg cluster in the morning window: about 47% of ORD-IAD flights take off then.

Air-traffic congestion: departing Chicago the average ATFM delay is 2.0 min (atfm); arriving into Washington it is 2.0 min (atfm).

Across 565 tracked ORD-IAD flights, 77% left on time with an average delay of 21 min and a 0.9% cancellation rate.

Route facts

Time difference
1h ahead
Arrival (dest. local time)
09:36
Elevation IAD
312 ft
Typical aircraft
Boeing 777, Airbus A320
Est. CO₂/passenger
~85 kg

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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 ORD-IAD

Frequently asked questions about ORD-IAD

On the Chicago (ORD) -> Washington (IAD) route, on-time performance is 77% with an average delay of 21 minutes, based on 565 tracked flights.

The cancellation rate on Chicago-Washington is 0.88% across 565 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 Washington, 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.