IAH to JAX flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to Jacksonville International Airport · 816 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or JAX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (IAH) to Jacksonville (JAX) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.3% were cancelled, and 7% arrived an hour or more late.
- Departures scheduled around 7am did best (90% on time); around 4pm did worst (62%).
- Tuesday was the most reliable day to fly (83% on time) and Sunday the least (68%).
- The largest source of delay minutes was late-arriving aircraft (49%).
Which airline is most on time from IAH to JAX?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 77% | 0.3% | 14 min | 6.9% | 666 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 60% | 0.0% | 32 min | 12.0% | 25 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am90%69 flights
- 12pm73%151 flights
- 1pm73%79 flights
- 4pm62%21 flights
- 6pm84%149 flights
- 7pm87%75 flights
- 8pm64%139 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%0.0% cancelled
- Tuesday83%0.0% cancelled
- Wednesday79%1.0% cancelled
- Thursday74%0.0% cancelled
- Friday78%0.0% cancelled
- Saturday77%0.0% cancelled
- Sunday68%1.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion19%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)50%
- Extreme weather50%
- Air traffic control & airport congestion0%
- Security0%
IAH to JAX: common questions
- How often are IAH to JAX flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Houston to Jacksonville cancelled?
- 0.3% of scheduled flights were cancelled (2 of 691).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 58 min behind schedule on average, and 7.1% of flights were an hour or more late.
- How long is taxi time at IAH?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: JAX to IAH — 88% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAH → JAX, nonstop flights by US airlines that report to the DOT. How we calculate this.