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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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19
IAH
83
84
86
79
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
Fort Lauderdale flights leaving IAH 1–2 pm: 1Close ×
B6 2780 IAH 13:00 FLL 16:23 2h 23m 23 35% 0.0% 87 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 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 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 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