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Showing Delta only (incl. its regional partners)All airlines ×
1,315 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Delta’s DTW → ROC flights land within a few points of 78% on time whatever the hour.

Best time to leave 8–9 am 89% arrive on time from DTW
Best single flight DL 5211 DTW 14:25 → ROC 15:48 · 72% 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
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% 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 5211flown by Endeavor DTW 14:25 ROC 15:48 72%

All 6 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 5240flown by Endeavor DTW 07:45 ROC 09:08 1h 23m 96 86% 1.0% 56 min
DL 4120flown by SkyWest DTW 10:20 ROC 11:46 1h 26m 48 81% 0.0% 90 min
DL 5100flown by Endeavor DTW 10:35 ROC 11:59 1h 24m 123 77% 2.4% 67 min
DL 5047flown by Endeavor DTW 14:02 ROC 15:20 1h 18m 31 83% 0.0% 82 min
DL 5211flown by Endeavor DTW 14:25 ROC 15:48 1h 23m 181 72% 1.7% 78 min
DL 3148 DTW 21:35 ROC 22:54 1h 19m 55 74% 3.6% 74 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 ROC 1h 20m 78% 1.7% 1,315 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