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4,294 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 2 in 3.

Best time to leave 8–9 am 88% arrive on time from IAH
Best single flight DL 1417 IAH 07:00 → LGA 11:33 · 88% on time Avoid UA 334 IAH 16:15 → LGA 20:59 · 61% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
IAH
88
90
91
83
82
90
72
69
66
67
68
67
53
% 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.
Delta 1,345 78% 4.5% 98 min
United (incl. SkyWest, Mesa) 2,683 73% 2.5% 75 min
Spirit 266 62% 6.4% 79 min

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.
DL 1417 IAH 07:00 LGA 11:33 88%
DL 2140 IAH 10:53 LGA 15:32 82%
UA 678 IAH 09:47 LGA 14:29 77%
UA 2181 IAH 12:00 LGA 16:44 66%
UA 334 IAH 16:15 LGA 20:59 61%

All 16 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.
UA 1697 IAH 07:00 LGA 11:29 3h 29m 62 87% 0.0% 30 min
DL 1417 IAH 07:00 LGA 11:33 3h 33m 356 88% 4.2% 75 min
UA 2133 IAH 08:05 LGA 12:40 3h 35m 37 80% 2.7% 65 min
UA 678 IAH 09:47 LGA 14:29 3h 42m 222 77% 2.7% 66 min
DL 2140 IAH 10:53 LGA 15:32 3h 41m 191 82% 6.3% 88 min
UA 2181 IAH 12:00 LGA 16:44 3h 44m 237 66% 0.8% 83 min
DL 2088 IAH 14:10 LGA 18:56 3h 46m 74 73% 6.8% 50 min
UA 2249 IAH 14:20 LGA 19:04 3h 44m 72 69% 0.0% 99 min
UA 2275 IAH 14:27 LGA 19:11 3h 44m 35 54% 0.0% 84 min
DL 2099 IAH 16:00 LGA 20:46 3h 46m 73 65% 9.6% 56 min
UA 334 IAH 16:15 LGA 20:59 3h 44m 167 61% 2.4% 81 min
UA 1747 IAH 17:15 LGA 21:59 3h 44m 38 56% 2.6% 100 min
UA 2857 IAH 17:15 LGA 21:59 3h 44m 27 71% 7.4% 90 min
UA 2783 IAH 18:31 LGA 23:14 3h 43m 32 42% 3.1% 53 min
UA 2750 IAH 18:32 LGA 23:15 3h 43m 30 48% 0.0% 73 min
DL 2943 IAH 18:38 LGA 23:22 3h 44m 48 60% 2.1% 112 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.
Delta IAH LGA 3h 33m 78% 4.5% 1,345 Flying now
United IAH LGA 3h 35m 73% 2.5% 2,683 Flying now
Spirit IAH LGA 3h 28m 62% 6.4% 266 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