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7,755 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 56%.

Best time to leave 6–7 am 91% arrive on time from ORD
Best single flight DL 2570 ORD 10:29 → BOS 13:59 · 76% on time Avoid AA 3107 ORD 19:20 → BOS 22:53 · 56% 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
92
89
83
80
76
71
69
62
65
53
54
54
62
56
49
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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
JetBlue 545 73% 3.3% 100 min
Delta (incl. Republic) 1,313 71% 4.3% 87 min
United 2,735 70% 2.0% 80 min
American (incl. Envoy, Republic) 3,162 66% 3.3% 78 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 2570 ORD 10:29 BOS 13:59 76%
B6 312 ORD 10:56 BOS 14:23 74%
B6 1012 ORD 20:20 BOS 23:51 71%
UA 1779 ORD 21:41 BOS 01:14 68%
DL 2646 ORD 19:25 BOS 23:00 65%
· · ·
UA 1693 ORD 13:55 BOS 17:31 64%
AA 2682 ORD 20:29 BOS 00:05 62%
AA 3107 ORD 19:20 BOS 22:53 56%

All 27 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.
AA 3022 ORD 06:00 BOS 09:34 2h 34m 63 97% 0.0% 200 min
UA 1186 ORD 06:05 BOS 09:29 2h 24m 61 92% 0.0% 51 min
AA 2968 ORD 06:54 BOS 10:28 2h 34m 72 85% 1.4% 66 min
DL 2828 ORD 07:10 BOS 10:46 2h 36m 110 87% 6.4% 69 min
UA 1076 ORD 07:33 BOS 11:05 2h 32m 72 94% 0.0% 36 min
AA 4106flown by Envoy ORD 08:30 BOS 12:07 2h 37m 77 91% 0.0% 35 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
DL 2570 ORD 10:29 BOS 13:59 2h 30m 239 76% 2.1% 71 min
AA 1563 ORD 10:50 BOS 14:20 2h 38m 72 58% 1.4% 60 min
B6 312 ORD 10:56 BOS 14:23 2h 27m 335 74% 1.8% 100 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
AA 1554 ORD 13:57 BOS 17:36 2h 39m 72 57% 4.2% 80 min
AA 2303 ORD 15:08 BOS 18:47 2h 39m 71 49% 4.2% 103 min
DL 2816 ORD 15:19 BOS 18:59 2h 40m 91 62% 3.3% 92 min
UA 2466 ORD 15:55 BOS 19:30 2h 35m 101 49% 2.0% 124 min
AA 4384flown by Republic ORD 16:13 BOS 19:57 2h 51m 103 62% 6.8% 97 min
AA 1461 ORD 17:21 BOS 20:59 2h 39m 105 46% 6.7% 81 min
UA 2331 ORD 18:20 BOS 21:56 2h 36m 92 59% 2.2% 67 min
AA 3107 ORD 19:20 BOS 22:53 2h 37m 209 56% 1.4% 87 min
DL 2646 ORD 19:25 BOS 23:00 2h 37m 164 65% 9.1% 98 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
B6 1012 ORD 20:20 BOS 23:51 2h 31m 207 71% 5.8% 101 min
AA 2682 ORD 20:29 BOS 00:05 2h 36m 163 62% 3.7% 69 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.
JetBlue ORD BOS 2h 31m 73% 3.3% 545 Flying now
Delta ORD BOS 2h 30m 71% 4.3% 1,313 Flying now
United ORD BOS 2h 31m 70% 2.0% 2,735 Flying now
American ORD BOS 2h 28m 66% 3.3% 3,162 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