TYS to DCA flight delays & on-time performance
Nonstop flights from McGhee Tyson Airport to Ronald Reagan Washington National Airport · 437 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at TYS or DCA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Knoxville (TYS) to Washington (DCA) arrived on time 71% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 4.1% were cancelled, and 15% arrived an hour or more late.
- Departures scheduled around 7am did best (82% on time); around 5pm did worst (55%).
- Saturday was the most reliable day to fly (76% on time) and Friday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (41%).
Which airline is most on time from TYS to DCA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 88% | 11.1% | 42 min | 12.5% | 9 |
| PSA AirlinesRegional airline operating American Eagle flights. | 70% | 4.1% | 38 min | 14.6% | 1,011 |
| Envoy AirRegional airline operating American Eagle flights. | 0% | 0.0% | 175 min | 100.0% | 1 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am82%267 flights
- 7am82%73 flights
- 10am76%56 flights
- 11am68%222 flights
- 12pm77%65 flights
- 2pm64%27 flights
- 4pm62%82 flights
- 5pm55%156 flights
- 6pm58%38 flights
- 7pm59%24 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday69%4.7% cancelled
- Tuesday70%5.9% cancelled
- Wednesday71%2.6% cancelled
- Thursday68%2.0% cancelled
- Friday65%5.3% cancelled
- Saturday76%4.3% cancelled
- Sunday76%4.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft41%
- Airline (crew, maintenance, cleaning, fueling)37%
- Extreme weather12%
- Air traffic control & airport congestion10%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather62%
- Air traffic control & airport congestion26%
- Airline (crew, maintenance, cleaning, fueling)12%
- Security0%
TYS to DCA: common questions
- How often are TYS to DCA flights on time?
- 71% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Knoxville to Washington cancelled?
- 4.1% of scheduled flights were cancelled (42 of 1,021).
- How long are typical delays?
- Across all flights the average arrival delay was 38 min (early arrivals count as zero). Flights that were late arrived 125 min behind schedule on average, and 14.7% of flights were an hour or more late.
- How long is taxi time at TYS?
- Flights on this route spent 24 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DCA to TYS — 68% on time
More flights from Knoxville
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: TYS → DCA, nonstop flights by US airlines that report to the DOT. How we calculate this.