Historical on-time performance
Houston to Jacksonville
817 miData through May 2026Source: US DOT · BTS
Flights on IAH–JAX arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 689 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time76%Medianon timep9050 minCancel0.6%Flights689
Why flights run late
Delay causes
- Airline24%
- Weather14%
- Air traffic (NAS)15%
- Late aircraft47%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline25%
- Weather75%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 4 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 IAH → JAX
All airlines · rolling 36 months (2023-06 .. 2026-05).
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
- Evenings75% on time · p90 50 min · 758 flights
- Middays75% on time · p90 45 min · 813 flights
- Overnights65% on time · p90 75 min · 334 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 80% on time.
- Tuesdays80% on time · p90 35 min · 313 flights
- Fridays74% on time · p90 55 min · 325 flights
- Thursdays74% on time · p90 55 min · 325 flights
- Saturdays74% on time · p90 55 min · 308 flights
- Wednesdays74% on time · p90 45 min · 322 flights
- Mondays73% on time · p90 65 min · 323 flights
- Sundays69% on time · p90 60 min · 317 flights
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