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2,019 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 65%.

Best time to leave 7–8 am 94% arrive on time from IAH
Best single flight UA 1977 IAH 07:30 → BOS 12:28 · 94% on time Avoid B6 932 IAH 13:27 → BOS 18:20 · 60% 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).

7
8
9
10
11
12
13
14
15
16
17
18
IAH
92
80
77
65
59
54
65
54
67
% 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
Boston flights leaving IAH 9–10 am: 1Close ×
UA 2393 IAH 09:50 BOS 14:48 3h 58m 71 82% 0.0% 78 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 1,559 76% 1.1% 71 min
JetBlue 460 59% 2.8% 94 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.
UA 1977 IAH 07:30 BOS 12:28 94%
B6 932 IAH 13:27 BOS 18:20 60%
All 7 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 BOS 3h 53m 76% 1.1% 1,559 Flying now
JetBlue IAH BOS 3h 57m 59% 2.8% 460 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