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

San Diego flights leaving DTW 12–1 pm: 1Close ×


DL 2155	DTW 12:30	SAN 14:12	4h 42m	110	76%	0.9%	38 min

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 on this route →

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