769 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 82% on time.

Best time to leave 2–3 pm 87% arrive on time from SLC

Best single flight DL 2079 SLC 23:40 → BWI 05:49 · 78% 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).

SLC

% 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.


Southwest	409	85%	1.0%	53 min
Delta	360	78%	1.7%	35 min

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 2079	SLC 23:40	BWI 05:49	78%

All 2 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.


Southwest	SLC	BWI	4h 05m	85%	1.0%	409	Flying now
Delta	SLC	BWI	4h 09m	78%	1.7%	360	Flying now

Alternatives with one stop

All connections →


Southwest Details →	SLC 06:55 → MDW 10:55WN 3749	1h 05m Chicago	MDW 12:00 → BWI 14:50WN 2744	5h 55m	100%	70%

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