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

No clear winner: airlines and hours on this route all land within a few points of 86% on time.

Best time to leave 7–8 am 92% arrive on time from SAN

Best single flight DL 754 SAN 06:15 → DTW 13:47 · 91% on time Avoid DL 492 SAN 11:37 → DTW 19:09 · 79% 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).

SAN

% 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

Detroit flights leaving SAN 2–3 pm: 1Close ×


DL 2172	SAN 14:40	DTW 22:15	4h 35m	176	84%	0.0%	51 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	87%	1.0%	54 min
Spirit	37	–	2.7%	49 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 754	SAN 06:15	DTW 13:47	91%
DL 764	SAN 22:15	DTW 05:43	90%
DL 2172	SAN 14:40	DTW 22:15	84%
DL 492	SAN 11:37	DTW 19:09	79%

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	SAN	DTW	4h 29m	87%	1.0%	1,253	Flying now
Spirit	SAN	DTW	4h 31m	75%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