Historical on-time performance
Knoxville to Washington
Flights on TYS–DCA arrive on time 65% of the time over the last 12 months.
based on 951 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- PSA AirlinesOn-time65%Medianon timep90105 minCancel5.2%Flights951
Why flights run late
Delay causes
- Airline37%
- Weather10%
- Air traffic (NAS)11%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline10%
- Weather71%
- Air traffic (NAS)18%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 49 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly TYS → DCA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 61% to 81% on time.
- Mornings81% on time · p90 35 min · 1,039 flights
- Middays78% on time · p90 45 min · 1,056 flights
- Afternoons74% on time · p90 65 min · 171 flights · limited
- Evenings61% on time · p90 85 min · 967 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 79% on time.
- Saturdays79% on time · p90 40 min · 356 flights
- Tuesdays75% on time · p90 60 min · 485 flights
- Wednesdays74% on time · p90 65 min · 490 flights
- Sundays74% on time · p90 50 min · 452 flights
- Thursdays74% on time · p90 70 min · 480 flights
- Fridays71% on time · p90 70 min · 485 flights
- Mondays70% on time · p90 65 min · 485 flights
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