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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

Leave before 9 am: 87% depart on time. After 4 pm it’s 65%.

Best time to leave 10–11 am 88% arrive on time from ROC
Best single flight DL 5167 ROC 06:20 → DTW 07:42 · 86% on time Avoid DL 5211 ROC 17:50 → DTW 19:14 · 70% 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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ROC
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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 5167flown by Endeavor ROC 06:20 DTW 07:42 86%
DL 5211flown by Endeavor ROC 17:50 DTW 19:14 70%

All 8 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 2495 ROC 06:10 DTW 07:28 1h 18m 24 100% 8.3% –
DL 1752 ROC 06:16 DTW 07:34 1h 18m 31 90% 0.0% 158 min
DL 5167flown by Endeavor ROC 06:20 DTW 07:42 1h 22m 210 86% 2.9% 142 min
DL 5240flown by Endeavor ROC 09:55 DTW 11:18 1h 23m 96 88% 1.0% 57 min
DL 4120flown by SkyWest ROC 12:28 DTW 13:55 1h 27m 48 81% 0.0% 100 min
DL 5101flown by Endeavor ROC 13:00 DTW 14:21 1h 21m 31 94% 0.0% 53 min
DL 5231flown by Endeavor ROC 17:48 DTW 19:15 1h 27m 55 65% 5.5% 121 min
DL 5211flown by Endeavor ROC 17:50 DTW 19:14 1h 24m 170 70% 1.2% 73 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 ROC DTW 1h 24m 76% 2.1% 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