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).

ROC

% 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.


Delta (incl. Endeavor, SkyWest)	1,315	76%	2.1%	98 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.


DL 5167flown by Endeavor	ROC 06:20	DTW 07:42	86%
DL 5211flown by Endeavor	ROC 17:50	DTW 19:14	70%

All 8 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