Route on-time record
JAX to IAH: most on-time flights and the best time to fly
Jacksonville (Jacksonville International Airport) to Houston (George Bush Intercontinental Airport). 721 nonstop flights in Jun 2025 to May 2026, 89% arrived within 15 minutes and 0.7% were cancelled. The most reliable flight number was United 2453 at 6:35 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
JAX → IAH
Jacksonville to Houston: 721 nonstop flights a year
On time (12 months)
89%
Cancelled
0.7%
avg delay 9 min
Best time to leave
Before 9 AM
94% on time vs 79% 3 to 6 PM
Most reliable airline
United
88% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · United 2453
6:35 AM → 8:13 AM2h 38m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
- On time (history)
- 95%
- Cancelled
- 0.9%
- Avg arrival delay
- 5 min
- Arrived on time 95% of the time (321 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; 3 to 6 PM: 79%).
Strong track record · 321 flights
Find United 2453 fares Opens this date on Aviasales#2 · United 298
9:00 AM → 10:39 AM2h 39m nonstop
Local times, typical schedule. Last flown 2026-05-19.
86%
chance on time
- On time (history)
- 81%
- Cancelled
- 0.0%
- Avg arrival delay
- 15 min
- Arrived on time 81% of the time (16 flights, Jun 2025 to May 2026).
Limited track record · 16 flights
Find United 298 fares Opens this date on Aviasales#3 · SkyWest 5433 · sold as United Express, Delta Connection, American Eagle or Alaska
4:23 PM → 5:58 PM2h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 79% on time; Before 9 AM: 94%).
- Lands inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
Limited track record · 8 flights
Find 4:23 PM flight fares Opens this date on Aviasales#4 · United 1563
5:25 PM → 7:03 PM2h 38m nonstop
Local times, typical schedule. Last flown 2026-05-20.
82%
chance on time
- On time (history)
- 76%
- Cancelled
- 0.0%
- Avg arrival delay
- 19 min
- Arrived on time 76% of the time (21 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 79% on time; Before 9 AM: 94%).
- 57% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 21 flights
Find United 1563 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines88%
690 flights · 89% on time as flown · 0.7% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)88%
31 flights · 87% on time as flown · 0.6% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM94%
364 flights · avg delay 5 min
- 9 AM to noon88%
146 flights · avg delay 8 min
- 3 to 6 PM79%
208 flights · avg delay 15 min
Best day: Tuesday (90%). Worst: Thursday (85%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Air traffic control and airport volume39%
- Late-arriving aircraft35%
- Airline (crew, maintenance, boarding)25%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
JAX to IAH questions
- What time of day is best to fly JAX to IAH?
- Before 9 AM: 94% of flights arrived on time, against 79% for departures 3 to 6 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from JAX to IAH?
- United, with a season-adjusted 88% chance of operating and arriving on time over 690 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on JAX to IAH?
- January (81% on time); the best was August (95%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from JAX
- IAH to JAX (return)
- JAX to ATL 84%
- JAX to ORD 78%
- JAX to CLT 81%
- JAX to DFW 76%
- JAX to BOS 74%
- JAX to MIA 80%
- JAX to PHL 78%
- JAX to DCA 71%
- JAX to BWI 80%
- JAX to EWR 79%
- JAX to JFK 74%
- JAX to BNA 83%
Most on-time flights from JAX on every route →
Live status: FAA delays and ground stops