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Showing United only (incl. its regional partners)All airlines ×
2,736 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s 68%.

Best time to leave 8–9 am 82% arrive on time from ORD
Best single flight UA 1819 ORD 21:45 → GRR 23:57 · 68% 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).

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9
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ORD
87
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68
% 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.

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 1819 ORD 21:45 GRR 23:57 68%

All 18 United 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 4592flown by GoJet ORD 05:59 GRR 08:07 1h 08m 31 77% 0.0% 78 min
UA 4425flown by GoJet ORD 08:46 GRR 11:03 1h 17m 53 74% 0.0% 105 min
UA 5668flown by SkyWest ORD 08:50 GRR 11:08 1h 18m 32 94% 0.0% 27 min
UA 4448flown by GoJet ORD 08:50 GRR 11:07 1h 17m 147 72% 1.4% 81 min
UA 1297 ORD 10:37 GRR 12:50 1h 13m 72 89% 0.0% 106 min
UA 4587flown by GoJet ORD 12:40 GRR 14:55 1h 15m 33 82% 0.0% 91 min
UA 4598flown by GoJet ORD 12:40 GRR 14:55 1h 15m 27 78% 0.0% 116 min
UA 5250flown by SkyWest ORD 13:55 GRR 16:07 1h 12m 56 58% 1.8% 93 min
UA 580 ORD 13:55 GRR 16:00 1h 05m 10 60% 0.0% 56 min
UA 2846 ORD 15:35 GRR 17:43 1h 08m 24 65% 4.2% 125 min
UA 4417flown by GoJet ORD 16:40 GRR 18:58 1h 18m 27 71% 11.1% 60 min
UA 4392flown by GoJet ORD 17:00 GRR 19:18 1h 18m 24 64% 8.3% 60 min
UA 5629flown by SkyWest ORD 17:48 GRR 20:06 1h 18m 15 79% 6.7% 91 min
UA 5918flown by SkyWest ORD 17:59 GRR 20:17 1h 18m 16 88% 0.0% 24 min
UA 3615flown by Republic ORD 17:59 GRR 20:17 1h 18m 25 64% 12.0% 49 min
UA 1178 ORD 18:02 GRR 20:12 1h 10m 31 41% 6.5% 79 min
UA 5303flown by SkyWest ORD 21:40 GRR 23:57 1h 17m 36 67% 8.3% 98 min
UA 1819 ORD 21:45 GRR 23:57 1h 12m 215 68% 1.9% 89 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 GRR 1h 10m 71% 2.2% 2,736 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