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Showing United only (incl. its regional partners)All airlines ×
2,735 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 6–7 am 93% arrive on time from ORD
Best single flight UA 1779 ORD 21:41 → BOS 01:14 · 68% on time Avoid UA 1693 ORD 13:55 → BOS 17:31 · 64% 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
20
21
ORD
95
94
83
85
72
70
64
54
54
51
62
60
60
% 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.

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 1779 ORD 21:41 BOS 01:14 68%
UA 1693 ORD 13:55 BOS 17:31 64%

All 11 United 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 1186 ORD 06:05 BOS 09:29 2h 24m 61 92% 0.0% 51 min
UA 1076 ORD 07:33 BOS 11:05 2h 32m 72 94% 0.0% 36 min
UA 1117 ORD 09:15 BOS 12:57 2h 42m 115 87% 0.0% 74 min
UA 1606 ORD 10:25 BOS 14:04 2h 37m 117 82% 0.9% 55 min
UA 794 ORD 12:53 BOS 16:29 2h 36m 72 67% 2.8% 63 min
UA 1693 ORD 13:55 BOS 17:31 2h 36m 309 64% 2.6% 81 min
UA 2466 ORD 15:55 BOS 19:30 2h 35m 101 49% 2.0% 124 min
UA 2331 ORD 18:20 BOS 21:56 2h 36m 92 59% 2.2% 67 min
UA 1800 ORD 19:45 BOS 23:21 2h 36m 34 61% 2.9% 81 min
UA 1032 ORD 19:45 BOS 23:21 2h 36m 36 60% 2.8% 94 min
UA 1779 ORD 21:41 BOS 01:14 2h 33m 188 68% 3.7% 68 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 ORD BOS 2h 31m 70% 2.0% 2,735 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