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2,821 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

United is clearly ahead here: 85% of its flights arrive on time, 13 points better than Spirit.

Best time to leave 9–10 am 84% arrive on time from IAH
Best single flight UA 2261 IAH 07:35 → FLL 11:22 · 94% on time Avoid UA 1956 IAH 18:26 → FLL 22:04 · 77% 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).

5
6
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9
10
11
12
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IAH
83
84
87
88
86
77
79
87
72
84
78
75
73
% 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

Pick an hour to see this route’s flights leaving then.

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 1,830 85% 0.7% 61 min
Spirit 789 73% 1.9% 76 min
Frontier 134 – 4.5% 53 min
JetBlue 68 – 2.9% 76 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 2261 IAH 07:35 FLL 11:22 94%
UA 277 IAH 16:35 FLL 20:22 85%
UA 1956 IAH 18:26 FLL 22:04 77%

All 11 flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
B6 2380 IAH 07:24 FLL 10:47 2h 23m 22 30% 9.1% 59 min
UA 2261 IAH 07:35 FLL 11:22 2h 47m 239 94% 0.4% 54 min
F9 1496 IAH 08:20 FLL 12:01 2h 41m 134 62% 4.5% 53 min
UA 2234 IAH 10:00 FLL 13:47 2h 47m 37 81% 0.0% 87 min
UA 1982 IAH 10:32 FLL 14:19 2h 47m 109 84% 0.0% 87 min
UA 1706 IAH 12:06 FLL 15:53 2h 47m 22 64% 0.0% 37 min
B6 2780 IAH 13:00 FLL 16:23 2h 23m 23 35% 0.0% 87 min
UA 462 IAH 14:20 FLL 18:07 2h 47m 25 84% 0.0% 35 min
UA 277 IAH 16:35 FLL 20:22 2h 47m 269 85% 0.7% 59 min
B6 2180 IAH 16:42 FLL 20:05 2h 23m 23 43% 0.0% 82 min
UA 1956 IAH 18:26 FLL 22:04 2h 38m 207 77% 0.5% 70 min

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 IAH FLL 2h 36m 85% 0.7% 1,830 Flying now
Frontier IAH FLL 2h 41m 63% 4.5% 134 Flying now
JetBlue IAH FLL 2h 23m 36% 2.9% 68 Flying now
Spirit IAH FLL 2h 28m 73% 1.9% 789 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