1,558 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 73%.

Best time to leave 8–9 am 89% arrive on time from DTW

Best single flight DL 698 DTW 08:25 → SLC 10:23 · 89% on time Avoid DL 2117 DTW 20:15 → SLC 22:13 · 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	1,543	80%	0.1%	60 min
Spirit	15	–	0.0%	–

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 698	DTW 08:25	SLC 10:23	89%
DL 935	DTW 12:25	SLC 14:19	88%
DL 765	DTW 17:40	SLC 19:38	78%
DL 2117	DTW 20:15	SLC 22:13	64%

All 6 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 1602	DTW 07:00	SLC 08:49	3h 49m	30	80%	0.0%	48 min
DL 3229	DTW 07:00	SLC 08:54	3h 54m	57	86%	0.0%	37 min
DL 698	DTW 08:25	SLC 10:23	3h 58m	365	89%	0.5%	68 min
DL 935	DTW 12:25	SLC 14:19	3h 54m	365	88%	0.0%	41 min
DL 765	DTW 17:40	SLC 19:38	3h 58m	352	78%	0.0%	60 min
DL 2117	DTW 20:15	SLC 22:13	3h 58m	364	64%	0.0%	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	DTW	SLC	3h 58m	80%	0.1%	1,543	Flying now
Spirit	DTW	SLC	3h 48m	100%few flights	0.0%	15	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