Flights Knoxville → Washington
TYS → IAD
How long is the flight from Knoxville to Washington?
The flight from Knoxville (TYS) to Washington (IAD) takes 1h 19m on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Knoxville to Washington has a high on-time performance rate of 89%, with an average delay of only 5.5 minutes per flight. Over the course of a year, this route sees 291 flights, connecting a significant number of passengers at the destination airport, which serves approximately 21,376,896 travelers 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 Knoxville (TYS) → Washington (IAD) route is operated by United Airlines. Across 766 flights monitored in recent months, 85% arrived on time (within 15 min of schedule), with an average delay of 11 minutes. The cancellation rate is 0.65%. FlightGuard's average computed risk is 22.9/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Washington the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Knoxville the average ATFM delay is 5.5 minutes.
Heading to Washington: what to expect in this direction
Flying from Knoxville (TYS) to Washington (IAD) heads north-east for about 674 km, a flight time of roughly 1h 19m.
Departures from Knoxville on this leg cluster in the overnight window: about 39% of TYS-IAD flights take off then.
Air-traffic congestion: departing Knoxville the average ATFM delay is 5.5 min (atfm); arriving into Washington it is 5.5 min (atfm).
Across 766 tracked TYS-IAD flights, 85% left on time with an average delay of 11 min and a 0.7% 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) | 83% | 5 min | 1.3% |
Airlines operating TYS-IAD
Airports
Frequently asked questions about TYS-IAD
The flight from Knoxville (TYS) to Washington (IAD) takes 1h 19m on average. That is the median time recorded across 3 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Knoxville (TYS) -> Washington (IAD) route, on-time performance is 85% with an average delay of 11 minutes, based on 766 tracked flights.
The cancellation rate on Knoxville-Washington is 0.65% across 766 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.
