Historical on-time performance
Houston to Jacksonville
817 miData through Dec 2025Source: US DOT · BTS
Flights on IAH–JAX arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 634 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time74%Medianon timep9050 minCancel0.9%Flights634
Why flights run late
Delay causes
- Airline29%
- Weather15%
- Air traffic (NAS)17%
- Late aircraft39%
- 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 IAH → JAX
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 — 83% on time.
- Mornings83% on time · p90 25 min · 253 flights
- Middays75% on time · p90 50 min · 685 flights
- Evenings73% on time · p90 55 min · 746 flights
- Overnights64% on time · p90 70 min · 341 flights
- Afternoons58% on time · p90 135 min · 59 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 79% on time.
- Tuesdays79% on time · p90 40 min · 294 flights
- Saturdays73% on time · p90 55 min · 287 flights
- Fridays73% on time · p90 55 min · 301 flights
- Sundays72% on time · p90 55 min · 298 flights
- Thursdays72% on time · p90 65 min · 301 flights
- Wednesdays72% on time · p90 50 min · 300 flights
- Mondays72% on time · p90 65 min · 303 flights
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