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

1,298 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

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

Best time to leave 3–4 pm 83% arrive on time from DTW

Best single flight DL 2868 DTW 08:50 → STL 09:32 · 88% on time Avoid DL 1541 DTW 20:00 → STL 20:39 · 78% 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 2868	DTW 08:50	STL 09:32	88%
DL 2822	DTW 16:41	STL 17:23	79%
DL 1541	DTW 20:00	STL 20:39	78%

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 2868	DTW 08:50	STL 09:32	1h 42m	246	88%	0.4%	58 min
DL 1371	DTW 12:28	STL 13:05	1h 37m	66	83%	3.0%	63 min
DL 2822	DTW 16:41	STL 17:23	1h 42m	332	79%	1.8%	55 min
DL 1541	DTW 20:00	STL 20:39	1h 39m	312	78%	1.6%	80 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	STL	1h 42m	78%	1.3%	1,298	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