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5,194 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 84% depart on time. After 4 pm it’s 64%.

Best time to leave 7–8 am 87% arrive on time from ORD
Best single flight UA 4613 ORD 09:00 → STL 10:34 · 75% on time Avoid UA 4416 ORD 15:59 → STL 17:27 · 63% 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
22
23
ORD
79
90
76
76
79
73
77
84
73
77
72
60
65
61
61
62
63
59
% 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.
American (incl. Envoy, SkyWest, Republic) 2,114 71% 3.4% 74 min
United (incl. GoJet, SkyWest, Republic) 3,080 70% 2.9% 99 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 4613flown by GoJet ORD 09:00 STL 10:34 75%
UA 4518flown by GoJet ORD 16:45 STL 18:13 67%
UA 4416flown by GoJet ORD 15:59 STL 17:27 63%

All 20 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 5958flown by SkyWest ORD 07:05 STL 08:39 1h 34m 62 82% 0.0% 60 min
AA 4104flown by Envoy ORD 07:05 STL 08:31 1h 27m 71 96% 0.0% 50 min
UA 4613flown by GoJet ORD 09:00 STL 10:34 1h 34m 360 75% 1.7% 89 min
UA 1355 ORD 10:40 STL 12:11 1h 31m 72 91% 2.8% 63 min
AA 6352flown by SkyWest ORD 11:32 STL 12:57 1h 26m 72 75% 2.8% 81 min
AA 6447flown by SkyWest ORD 12:30 STL 13:56 1h 26m 15 80% 0.0% 90 min
AA 3815flown by Envoy ORD 12:32 STL 13:55 1h 23m 67 86% 1.5% 38 min
UA 4581flown by GoJet ORD 12:55 STL 14:23 1h 28m 72 80% 4.2% 60 min
UA 2000 ORD 14:20 STL 15:46 1h 26m 72 68% 0.0% 116 min
AA 4537flown by Republic ORD 15:07 STL 16:40 1h 33m 72 80% 4.2% 64 min
UA 4416flown by GoJet ORD 15:59 STL 17:27 1h 28m 332 63% 3.9% 102 min
UA 4552flown by GoJet ORD 16:00 STL 17:28 1h 28m 35 68% 2.9% 163 min
UA 4518flown by GoJet ORD 16:45 STL 18:13 1h 28m 228 67% 3.5% 98 min
UA 4412flown by GoJet ORD 17:55 STL 19:23 1h 28m 37 56% 2.7% 80 min
AA 4144flown by Envoy ORD 18:17 STL 19:44 1h 27m 72 60% 6.9% 50 min
AA 439 ORD 19:10 STL 20:32 1h 22m 15 67% 0.0% 47 min
UA 2144 ORD 19:55 STL 21:26 1h 31m 70 61% 0.0% 96 min
UA 4472flown by GoJet ORD 22:00 STL 23:29 1h 29m 20 67% 10.0% 47 min
UA 4576flown by GoJet ORD 22:00 STL 23:29 1h 29m 108 70% 6.5% 190 min
AA 1004 ORD 23:00 STL 00:16 1h 16m 72 58% 6.9% 80 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.
American ORD STL 1h 24m 71% 3.4% 2,114 Flying now
United ORD STL 1h 28m 70% 2.9% 3,080 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