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6,442 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 87% arrive on time from ORD
Best single flight DL 1264 ORD 05:30 → ATL 08:33 · 91% on time Avoid UA 1398 ORD 18:20 → ATL 21:41 · 58% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
ORD
89
91
89
82
85
83
79
71
77
73
69
64
66
60
53
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.
Delta 2,628 81% 2.5% 87 min
United (incl. SkyWest, Republic) 1,684 76% 1.4% 69 min
American (incl. Envoy, PSA, SkyWest, Republic) 1,370 70% 2.7% 79 min
Frontier 715 69% 3.5% 104 min
Spirit 45 – 0.0% 139 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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 1264 ORD 05:30 ATL 08:33 91%
DL 1247 ORD 06:35 ATL 09:41 88%
DL 1178 ORD 09:45 ATL 12:51 87%
DL 1147 ORD 11:23 ATL 14:25 80%
DL 1477 ORD 15:22 ATL 18:36 76%
· · ·
DL 2738 ORD 18:10 ATL 21:26 68%
F9 1442 ORD 13:40 ATL 17:01 62%
UA 1398 ORD 18:20 ATL 21:41 58%

All 25 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.
DL 1264 ORD 05:30 ATL 08:33 2h 03m 365 91% 1.6% 84 min
DL 1247 ORD 06:35 ATL 09:41 2h 06m 365 88% 1.1% 98 min
F9 1596 ORD 06:55 ATL 10:30 2h 32m 339 74% 2.7% 87 min
UA 425 ORD 07:12 ATL 10:27 2h 15m 37 86% 0.0% 30 min
UA 2811 ORD 07:12 ATL 10:27 2h 15m 35 79% 2.9% 44 min
DL 2426 ORD 08:05 ATL 11:08 2h 03m 42 85% 4.8% 71 min
DL 1516 ORD 08:10 ATL 11:08 1h 58m 31 94% 0.0% 43 min
AA 1363 ORD 08:12 ATL 11:14 2h 03m 72 77% 1.4% 65 min
UA 530 ORD 09:07 ATL 12:22 2h 15m 62 82% 1.6% 59 min
DL 1178 ORD 09:45 ATL 12:51 2h 06m 348 87% 2.3% 51 min
UA 2684 ORD 10:29 ATL 13:44 2h 15m 72 86% 0.0% 74 min
DL 1147 ORD 11:23 ATL 14:25 2h 04m 359 80% 3.1% 69 min
F9 2198 ORD 13:29 ATL 16:50 2h 21m 123 64% 4.1% 103 min
AA 4759flown by Republic ORD 13:35 ATL 16:47 2h 12m 66 68% 3.0% 69 min
F9 1442 ORD 13:40 ATL 17:01 2h 22m 174 62% 4.0% 114 min
DL 2894 ORD 13:46 ATL 16:54 2h 08m 61 72% 0.0% 80 min
UA 356 ORD 13:55 ATL 17:10 2h 15m 358 75% 2.2% 60 min
DL 1477 ORD 15:22 ATL 18:36 2h 13m 295 76% 1.7% 93 min
AA 1375 ORD 15:59 ATL 19:02 2h 04m 72 46% 1.4% 86 min
DL 2738 ORD 18:10 ATL 21:26 2h 16m 261 68% 3.1% 96 min
UA 1398 ORD 18:20 ATL 21:41 2h 21m 292 58% 0.7% 77 min
DL 2740 ORD 18:22 ATL 21:38 2h 16m 48 71% 14.6% 101 min
AA 2779 ORD 18:59 ATL 22:05 2h 04m 121 51% 4.1% 126 min
UA 2770 ORD 20:09 ATL 23:30 2h 21m 36 69% 2.8% 66 min
UA 2747 ORD 20:14 ATL 23:35 2h 21m 29 79% 3.4% 144 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.
Delta ORD ATL 2h 06m 81% 2.5% 2,628 Flying now
United ORD ATL 2h 11m 76% 1.4% 1,684 Flying now
American ORD ATL 2h 06m 70% 2.7% 1,370 Flying now
Frontier ORD ATL 2h 22m 69% 3.5% 715 Flying now
Spirit ORD ATL 1h 59m 78% 0.0% 45 Not 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