Houston (IAH) to Pensacola (PNS): On-Time Performance
Data through May 2026
The calendar drives reliability on IAH–PNS. November 2024 flights landed on schedule 97% of the time, but July 2024 dropped to 21% — a gap of 76 points. Across the full period the route averages 70% on-time against a national 78%.
- On-time
- 70%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 1.6
- last 12 months
- Duration
- 1h 41m
- scheduled
- Distance
- 489 mi
Best airline from IAH to PNS
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 71% | 21 min | 2.0% | 811 |
| SkyWest Airlines | 67% | 26 min | 0.9% | 217 |
Monthly on-time trend
Best time to fly from IAH to PNS
Aim for departures around 6 p.m. (86% on-time); avoid 7 p.m. departures (47%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 75% | 23 min |
| Tuesday | 72% | 19 min |
| Wednesday | 75% | 19 min |
| Thursday | 65% | 23 min |
| Friday | 71% | 22 min |
| Saturday | 68% | 21 min |
| Sunday | 67% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft45%
- Airline operations41%
- National airspace system8%
- Weather7%
Frequently asked questions
- How often are flights from IAH to PNS delayed?
- 30% of IAH–PNS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 22 minutes.
- Which airline is most reliable from IAH to PNS?
- United Airlines has the best on-time record on this route at 71%, based on 811 flights. 2 airlines flew IAH–PNS frequently enough to compare in this period.
- What is the best time of day to fly from IAH to PNS?
- Departures around 6 p.m. have the best record (86% on-time), while departures around 7 p.m. have the worst (47%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from IAH to PNS?
- The scheduled IAH–PNS flight time averages 1h 41m over 489 miles. Actual arrival times vary — flights on this route land 15+ minutes late 30% of the time.
- How often are IAH to PNS flights cancelled?
- 1.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from IAH to PNS?
- July 2024 was the roughest month in this dataset, with only 21% of arrivals on time. The best was November 2024 at 97%. If your dates are flexible, that 76-point gap is worth planning around.
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Based on 1,038 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.