Showing Southwest only (incl. its regional partners)All airlines ×

1,007 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 94% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 7–8 am 95% arrive on time from LGB

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).

LGB

% 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.

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.

No Southwest flight on this route ran 150+ times in the year.

All 5 Southwest 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.


WN 2752	LGB 06:55	DEN 10:10	2h 15m	16	100%	0.0%	–
WN 4574	LGB 07:55	DEN 11:10	2h 15m	34	100%	0.0%	–
WN 4238	LGB 09:45	DEN 13:00	2h 15m	57	84%	0.0%	45 min
WN 2479	LGB 14:50	DEN 18:05	2h 15m	33	41%	0.0%	57 min
WN 2640	LGB 14:55	DEN 18:10	2h 15m	16	31%	0.0%	83 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.


Southwest	LGB	DEN	2h 20m	83%	0.1%	1,007	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