Historical on-time performance
Tampa to Washington
810 miData through Dec 2025Source: US DOT · BTS
Flights on TPA–IAD arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 1,339 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- United AirlinesOn-time81%Medianon timep9040 minCancel0.5%Flights1,308
- Frontier AirlinesOn-time71%Median5 minp9035 minCancel0.0%Flights31
Why flights run late
Delay causes
- Airline25%
- Weather11%
- Air traffic (NAS)27%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly TPA → IAD
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Mornings are the most reliable time of day to fly this route — 89% on time.
- Mornings89% on time · p90 10 min · 1,229 flights
- Middays83% on time · p90 30 min · 1,036 flights
- Evenings74% on time · p90 65 min · 1,141 flights
- Afternoons69% on time · p90 70 min · 347 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 86% on time.
- Tuesdays86% on time · p90 25 min · 508 flights
- Fridays82% on time · p90 40 min · 546 flights
- Wednesdays81% on time · p90 35 min · 508 flights
- Mondays81% on time · p90 35 min · 554 flights
- Saturdays81% on time · p90 35 min · 527 flights
- Thursdays80% on time · p90 35 min · 554 flights
- Sundays76% on time · p90 50 min · 556 flights
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