Route on-time record
IAH to PNS: most on-time flights and the best time to fly
Houston (George Bush Intercontinental Airport) to Pensacola (Pensacola International Airport). 598 nonstop flights in Jun 2025 to May 2026, 72% arrived within 15 minutes and 1.0% were cancelled. The most reliable flight number was United 497 at 8:18 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
IAH → PNS
Houston to Pensacola: 598 nonstop flights a year
On time (12 months)
72%
Cancelled
1.0%
avg delay 22 min
Best time to leave
3 to 6 PM
81% on time vs 65% noon to 3 PM
Most reliable airline
United
73% 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 497
8:18 PM → 9:57 PM1h 39m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
- On time (history)
- 80%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 80% of the time (64 flights, Jun 2025 to May 2026).
- Never cancelled in 64 scheduled flights.
- Departs outside IAH's trouble window (noon to 6 PM, when 60% of its 92 ground stops and delay programs started).
- 66% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 64 flights
Find United 497 fares Opens this date on Aviasales#2 · SkyWest 4691 · sold as United Express, Delta Connection, American Eagle or Alaska
6:05 PM → 7:51 PM1h 46m nonstop
Local times, typical schedule. Last flown 2026-05-31.
73%
chance on time
- On time (history)
- 73%
- Cancelled
- 0.0%
- Avg arrival delay
- 31 min
- Arrived on time 73% of the time (11 flights, Jun 2025 to May 2026).
- Departs outside IAH's trouble window (noon to 6 PM, when 60% of its 92 ground stops and delay programs started).
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 6:05 PM flight fares Opens this date on Aviasales#3 · United 1102
7:50 PM → 9:30 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-03-28.
67%
chance on time
- On time (history)
- 64%
- Cancelled
- 8.3%
- Avg arrival delay
- 31 min
- Arrived on time 64% of the time (22 flights, Jun 2025 to May 2026).
- Departs outside IAH's trouble window (noon to 6 PM, when 60% of its 92 ground stops and delay programs started).
- 61% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (22 flights), so its score leans on the airline's record at this hour.
Limited track record · 22 flights
Find United 1102 fares Opens this date on Aviasales#4 · SkyWest 4719 · sold as United Express, Delta Connection, American Eagle or Alaska
2:20 PM → 4:06 PM1h 46m nonstop
Local times, typical schedule. Last flown 2026-05-31.
62%
chance on time
- On time (history)
- 55%
- Cancelled
- 0.0%
- Avg arrival delay
- 33 min
- Arrived on time 55% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (Noon to 3 PM: 65% on time; 3 to 6 PM: 81%).
- Departs inside IAH's trouble window: 60% of its 92 ground stops and delay programs started between noon and 6 PM.
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 2:20 PM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines73%
425 flights · 75% on time as flown · 1.3% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)68%
163 flights · 66% on time as flown · 0.5% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Noon to 3 PM65%
157 flights · avg delay 28 min
- 3 to 6 PM81%
57 flights · avg delay 20 min
- 6 to 9 PM75%
372 flights · avg delay 19 min
Best day: Monday (75%). Worst: Sunday (66%).
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
- Airline (crew, maintenance, boarding)43%
- Late-arriving aircraft42%
- Air traffic control and airport volume9%
- Severe weather7%
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
IAH to PNS questions
- What time of day is best to fly IAH to PNS?
- 3 to 6 PM: 81% of flights arrived on time, against 65% for departures noon to 3 PM.
- Which airline is most on time from IAH to PNS?
- United, with a season-adjusted 73% chance of operating and arriving on time over 425 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 IAH to PNS?
- July (47% on time); the best was November (81%), 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 IAH
- PNS to IAH (return)
- IAH to ORD 75%
- IAH to DFW 75%
- IAH to LAX 83%
- IAH to ATL 77%
- IAH to DEN 81%
- IAH to LGA 72%
- IAH to EWR 74%
- IAH to MIA 78%
- IAH to MCO 81%
- IAH to SFO 79%
- IAH to LAS 82%
- IAH to DCA 75%
Live status: FAA delays and ground stops