Historical on-time performance
Jacksonville to Washington
630 miData through Dec 2025Source: US DOT · BTS
Flights on JAX–IAD arrive on time 90% of the time over the last 12 months.
On-time rate90%arrived within 15 min
p90 delay10 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 493 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-time90%Medianon timep9010 minCancel0.7%Flights403
- Republic AirwaysOn-time90%Medianon timep9010 minCancel3.3%Flights90
Why flights run late
Delay causes
- Airline59%
- Weather1%
- Air traffic (NAS)26%
- Late aircraft14%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly JAX → IAD
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 72% to 89% on time.
- Mornings89% on time · p90 10 min · 729 flights
- Middays86% on time · p90 20 min · 233 flights
- Evenings82% on time · p90 35 min · 491 flights
- Afternoons72% on time · p90 65 min · 790 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 86% on time.
- Tuesdays86% on time · p90 25 min · 291 flights
- Wednesdays83% on time · p90 30 min · 291 flights
- Thursdays82% on time · p90 35 min · 298 flights
- Sundays81% on time · p90 50 min · 293 flights
- Mondays80% on time · p90 35 min · 393 flights
- Saturdays80% on time · p90 40 min · 273 flights
- Fridays77% on time · p90 55 min · 404 flights
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