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4,671 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 86% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 5–6 am 88% arrive on time from GRR
Best single flight UA 4583 GRR 11:38 → ORD 11:58 · 73% on time Avoid UA 2099 GRR 07:15 → ORD 07:28 · 71% 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
GRR
87
86
85
88
82
79
74
78
79
80
75
68
71
71
69
75
% 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, PSA, SkyWest, Republic) 1,936 71% 3.7% 99 min
United (incl. GoJet, SkyWest, Republic) 2,735 69% 2.5% 86 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 4583flown by GoJet GRR 11:38 ORD 11:58 73%
UA 2099 GRR 07:15 ORD 07:28 71%

All 22 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 5615flown by SkyWest GRR 05:15 ORD 05:33 1h 18m 31 87% 3.2% 141 min
UA 4458flown by GoJet GRR 06:00 ORD 06:17 1h 17m 25 92% 0.0% 34 min
AA 1391 GRR 06:00 ORD 06:13 1h 13m 41 87% 4.9% 355 min
UA 3651flown by Republic GRR 06:00 ORD 06:18 1h 18m 63 86% 0.0% 112 min
AA 2502 GRR 06:00 ORD 06:07 1h 07m 30 70% 0.0% 69 min
UA 2137 GRR 07:15 ORD 07:28 1h 13m 30 71% 6.7% 60 min
UA 2099 GRR 07:15 ORD 07:28 1h 13m 327 71% 0.3% 66 min
UA 5690flown by SkyWest GRR 08:49 ORD 09:08 1h 19m 21 90% 0.0% 151 min
AA 6391flown by SkyWest GRR 10:10 ORD 10:32 1h 23m 72 86% 2.8% 89 min
UA 4561flown by GoJet GRR 11:38 ORD 11:58 1h 20m 35 89% 0.0% 142 min
UA 4583flown by GoJet GRR 11:38 ORD 11:58 1h 20m 180 73% 2.2% 88 min
UA 5517flown by SkyWest GRR 12:57 ORD 13:15 1h 18m 32 84% 0.0% 410 min
UA 2138 GRR 13:56 ORD 14:05 1h 09m 103 70% 0.0% 117 min
AA 3553flown by Envoy GRR 14:35 ORD 14:54 1h 19m 69 79% 1.4% 58 min
UA 4597flown by GoJet GRR 15:37 ORD 15:56 1h 19m 27 64% 7.4% 51 min
UA 4417flown by GoJet GRR 15:37 ORD 15:56 1h 19m 24 86% 12.5% 113 min
UA 533 GRR 16:56 ORD 17:05 1h 09m 10 20% 0.0% 24 min
AA 3715flown by Envoy GRR 17:28 ORD 17:52 1h 24m 77 75% 5.2% 64 min
UA 5516flown by SkyWest GRR 18:25 ORD 18:48 1h 23m 56 51% 5.4% 76 min
UA 1866 GRR 18:45 ORD 19:00 1h 15m 24 43% 4.2% 92 min
AA 4729flown by Republic GRR 19:54 ORD 20:37 1h 43m 72 67% 11.1% 62 min
UA 4415flown by GoJet GRR 20:00 ORD 20:28 1h 28m 24 71% 12.5% 78 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 GRR ORD 1h 15m 71% 3.7% 1,936 Flying now
United GRR ORD 1h 17m 69% 2.5% 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