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

Leave before 9 am: 93% depart on time. After 4 pm it’s 82%.

Best time to leave 6–7 am 92% arrive on time from STL

Best single flight DL 1626 STL 06:30 → DTW 09:04 · 92% on time Avoid DL 2868 STL 10:20 → DTW 12:55 · 92% 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).

STL

% 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 1626	STL 06:30	DTW 09:04	92%
DL 2868	STL 10:20	DTW 12:55	92%

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 1626	STL 06:30	DTW 09:04	1h 34m	347	92%	2.3%	127 min
DL 2868	STL 10:20	DTW 12:55	1h 35m	246	92%	1.2%	128 min
DL 1371	STL 13:54	DTW 16:30	1h 36m	66	77%	3.0%	115 min
DL 2822	STL 18:10	DTW 20:45	1h 35m	96	76%	3.1%	67 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	STL	DTW	1h 35m	86%	1.6%	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