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2,545 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 6–7 am 94% arrive on time from ORD
Best single flight UA 4382 ORD 10:25 → BUF 13:13 · 73% on time Avoid UA 1335 ORD 18:17 → BUF 21:03 · 66% 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
96
88
86
79
77
77
74
81
67
69
50
54
52
% 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.
United (incl. GoJet, SkyWest, Republic) 1,316 73% 2.8% 87 min
American (incl. Envoy, SkyWest, Republic) 1,229 71% 3.3% 76 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 4382flown by GoJet ORD 10:25 BUF 13:13 73%
UA 1335 ORD 18:17 BUF 21:03 66%

All 10 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 4413flown by Republic ORD 06:46 BUF 09:37 1h 51m 71 94% 0.0% 58 min
UA 2753 ORD 07:15 BUF 10:00 1h 45m 37 86% 0.0% 45 min
UA 5690flown by SkyWest ORD 07:27 BUF 10:15 1h 48m 35 83% 0.0% 176 min
UA 4382flown by GoJet ORD 10:25 BUF 13:13 1h 48m 281 73% 2.1% 84 min
AA 4913flown by SkyWest ORD 13:29 BUF 16:18 1h 49m 69 64% 7.2% 60 min
UA 2226 ORD 13:55 BUF 16:41 1h 46m 88 82% 0.0% 99 min
UA 1335 ORD 18:17 BUF 21:03 1h 46m 189 66% 1.6% 95 min
UA 5763flown by SkyWest ORD 18:17 BUF 21:08 1h 51m 30 62% 3.3% 38 min
AA 564 ORD 19:59 BUF 22:47 1h 48m 135 57% 0.7% 95 min
AA 403 ORD 21:32 BUF 00:38 1h 40m 76 41% 9.2% 67 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 BUF 1h 46m 73% 2.8% 1,316 Flying now
American ORD BUF 1h 43m 71% 3.3% 1,229 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