Showing Delta only (incl. its regional partners)All airlines ×

799 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 8–9 am 86% arrive on time from DTW

Best single flight DL 4647 DTW 15:51 → BHM 16:55 · 82% 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).

DTW

% 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 4647flown by Endeavor	DTW 15:51	BHM 16:55	82%

All 4 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 3685flown by SkyWest	DTW 08:35	BHM 09:42	2h 07m	55	83%	0.0%	61 min
DL 4973flown by Endeavor	DTW 08:45	BHM 09:47	2h 02m	31	87%	0.0%	52 min
DL 4647flown by Endeavor	DTW 15:51	BHM 16:55	2h 04m	216	82%	0.5%	92 min
DL 3145	DTW 19:45	BHM 20:39	1h 59m	86	75%	1.2%	82 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	BHM	2h 03m	79%	1.1%	799	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