Historical on-time performance
Washington to Jacksonville
Flights on IAD–JAX arrive on time 85% of the time over the last 12 months.
based on 584 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- United AirlinesOn-time86%Medianon timep9030 minCancel0.6%Flights493
- Republic AirwaysOn-time78%Medianon timep9025 minCancel6.6%Flights91
Why flights run late
Delay causes
- Airline19%
- Weather11%
- Air traffic (NAS)25%
- Late aircraft45%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline11%
- Weather44%
- Air traffic (NAS)44%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 9 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 IAD → JAX
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 70% to 85% on time.
- Mornings85% on time · p90 25 min · 905 flights
- Middays83% on time · p90 30 min · 371 flights
- Evenings70% on time · p90 65 min · 1,041 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 84% on time.
- Wednesdays84% on time · p90 25 min · 303 flights
- Thursdays82% on time · p90 30 min · 327 flights
- Tuesdays79% on time · p90 35 min · 306 flights
- Saturdays78% on time · p90 40 min · 286 flights
- Mondays75% on time · p90 50 min · 424 flights
- Sundays75% on time · p90 45 min · 311 flights
- Fridays74% on time · p90 60 min · 429 flights
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