1,290 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 7 in 10.

Best time to leave 8–9 am 83% arrive on time from DTW

Best single flight DL 492 DTW 08:40 → SAN 10:27 · 83% on time Avoid DL 700 DTW 20:24 → SAN 22:06 · 64% 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.

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	1,253	76%	0.9%	62 min
Spirit	37	–	2.7%	29 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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 492	DTW 08:40	SAN 10:27	83%
DL 369	DTW 16:35	SAN 18:21	74%
DL 700	DTW 20:24	SAN 22:06	64%

All 4 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 492	DTW 08:40	SAN 10:27	4h 44m	365	83%	1.1%	54 min
DL 2155	DTW 12:30	SAN 14:12	4h 42m	110	76%	0.9%	38 min
DL 369	DTW 16:35	SAN 18:21	4h 46m	364	74%	0.8%	57 min
DL 700	DTW 20:24	SAN 22:06	4h 42m	264	64%	0.4%	77 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	SAN	4h 46m	76%	0.9%	1,253	Flying now
Spirit	DTW	SAN	4h 48m	89%few flights	2.7%	37	Not 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