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Showing Delta only (incl. its regional partners)All airlines ×
2,316 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s DTW → GRR flights land within a few points of 3 in 4 on time whatever the hour.

Best time to leave 10–11 am 82% arrive on time from DTW
Best single flight DL 3500 DTW 08:50 → GRR 09:54 · 74% 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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DTW
81
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73
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73
% 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.
DL 3500flown by SkyWest DTW 08:50 GRR 09:54 74%

All 12 Delta 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 3500flown by SkyWest DTW 08:50 GRR 09:54 1h 04m 176 74% 0.0% 71 min
DL 5858flown by Republic DTW 10:20 GRR 11:18 58m 31 97% 0.0% 81 min
DL 5473flown by Endeavor DTW 10:21 GRR 11:21 1h 00m 52 69% 1.9% 88 min
DL 4086flown by SkyWest DTW 12:45 GRR 13:40 55m 31 81% 0.0% 70 min
DL 5390flown by Endeavor DTW 12:56 GRR 13:55 59m 93 69% 0.0% 75 min
DL 3531flown by SkyWest DTW 15:55 GRR 16:58 1h 03m 68 74% 0.0% 158 min
DL 5511flown by Endeavor DTW 16:11 GRR 17:14 1h 03m 49 58% 2.0% 79 min
DL 4089flown by SkyWest DTW 17:58 GRR 18:52 54m 31 87% 3.2% 104 min
DL 5800flown by Republic DTW 18:00 GRR 19:01 1h 01m 42 93% 0.0% 53 min
DL 5053flown by Endeavor DTW 19:48 GRR 20:45 57m 28 68% 0.0% 83 min
DL 4081flown by SkyWest DTW 20:00 GRR 21:00 1h 00m 55 80% 0.0% 46 min
DL 4880flown by Endeavor DTW 22:55 GRR 23:57 1h 02m 144 79% 2.8% 125 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 DTW GRR 58m 74% 0.9% 2,316 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