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3,069 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 82%.

Best time to leave 5–6 am 95% arrive on time from MSY
Best single flight UA 2744 MSY 05:15 → IAH 06:34 · 95% on time Avoid UA 2253 MSY 12:07 → IAH 13:26 · 80% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

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% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55
Houston flights leaving MSY 3–4 pm: 2Close ×
UA 313 MSY 15:43 IAH 17:02 1h 19m 37 72% 2.7% 163 min
UA 2772 MSY 15:43 IAH 17:02 1h 19m 35 69% 0.0% 68 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.

United (incl. SkyWest, Mesa) 2,921 84% 0.4% 75 min
Spirit 121 – 0.0% 68 min
Frontier 27 – 3.7% 305 min

Dimmed: fewer than 150 flights in the year, too few to rank.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.

UA 2744 MSY 05:15 IAH 06:34 95%
UA 2105 MSY 09:53 IAH 11:12 90%
UA 2296 MSY 14:21 IAH 15:40 85%
UA 2253 MSY 12:07 IAH 13:26 80%
All 10 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.

United MSY IAH 1h 25m 84% 0.4% 2,921 Flying now
Spirit MSY IAH 1h 24m 83% 0.0% 121 Not flying now
Frontier MSY IAH 1h 30m 81%few flights 3.7% 27 Not flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON