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9,834 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 64%.

Best time to leave 5–6 am 94% arrive on time from HOU, 93% arrive on time from IAH
Best airport pair IAH → EWR 75% on time, fewest cancelled (1.8%), 3,769 flights
Best single flight UA 1797 IAH 06:01 → EWR 10:36 · 93% on time Avoid UA 2608 IAH 14:49 → EWR 19:35 · 59% 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
7
8
9
10
11
12
13
14
15
16
17
18
19
20
IAH
91
64
75
HOU
93
91
90
94
61
70
26
55
36
% 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
New York flights leaving IAH 8–9 am: 1Close ×
UA 2133 IAH 08:05 LGA 12:40 3h 35m 37 80% 2.7% 65 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.

Delta 1,614 78% 4.5% 97 min
United (incl. SkyWest, Mesa) 6,217 74% 1.9% 73 min
Spirit 501 69% 6.2% 74 min
Southwest HOU→LGA only 1,358 65% 2.6% 65 min
JetBlue IAH→JFK only 144 – 7.6% 138 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 1797 IAH 06:01 EWR 10:36 93%
UA 1886 IAH 07:20 EWR 11:59 88%
DL 1417 IAH 07:00 LGA 11:33 88%
DL 2140 IAH 10:53 LGA 15:32 82%
UA 2402 IAH 09:48 EWR 14:27 79%
· · ·
UA 700 IAH 16:47 EWR 21:29 64%
UA 334 IAH 16:15 LGA 20:59 61%
UA 2608 IAH 14:49 EWR 19:35 59%
All 34 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.

Delta IAH JFK 3h 48m 80% 4.1% 269 Flying now
Delta IAH LGA 3h 33m 78% 4.5% 1,345 Flying now
United IAH EWR 3h 35m 75% 1.5% 3,534 Flying now
United IAH LGA 3h 35m 73% 2.5% 2,683 Flying now
Southwest HOU LGA 3h 20m 65% 2.6% 1,358 Flying now
JetBlue IAH JFK 3h 49m 47% 7.6% 144 Flying now
Spirit IAH EWR 3h 33m 78% 6.0% 235 Not 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