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Showing Southwest only (incl. its regional partners)All airlines ×
3,137 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am from Long Beach, Ontario or Burbank: 95% depart on time. After 4 pm it’s almost half.

Best time to leave 5–6 am 94% arrive on time from LAX
Best airport pair LGB → DAL 85% on time, 0.8% cancelled, 509 flights

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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
LAX
93
91
75
86
82
45
54
52
63
48
46
45
BUR
95
94
76
83
LGB
97
94
88
43
SNA
92
93
64
40
ONT
95
88
51
52
% 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 15 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 4128 LAX 05:02 DAL 10:08 3h 05m 50 80% 0.0% 102 min
WN 1250 LAX 06:45 DAL 11:45 3h 00m 16 69% 0.0% 23 min
WN 4320 SNA 06:45 DAL 11:55 3h 10m 26 81% 0.0% 52 min
WN 1362 LAX 07:50 DAL 12:50 3h 00m 26 44% 3.8% 47 min
WN 264 LGB 09:30 DAL 14:30 3h 00m 50 85% 0.0% 69 min
WN 3035 ONT 09:45 DAL 14:40 2h 55m 16 88% 0.0% 31 min
WN 4730 LAX 10:25 DAL 15:25 3h 00m 16 50% 0.0% 23 min
WN 1263 LAX 10:45 DAL 15:45 3h 00m 33 28% 3.0% 39 min
WN 1251 SNA 11:15 DAL 16:15 3h 00m 16 81% 0.0% 40 min
WN 2921 BUR 11:45 DAL 16:50 3h 05m 42 81% 0.0% 68 min
WN 4306 LAX 14:55 DAL 20:00 3h 05m 26 27% 0.0% 34 min
WN 716 LAX 16:10 DAL 21:15 3h 05m 16 44% 0.0% 43 min
WN 3247 ONT 16:20 DAL 21:15 2h 55m 26 58% 0.0% 76 min
WN 2388 LAX 17:50 DAL 22:55 3h 05m 26 15% 0.0% 47 min
WN 3744 LAX 18:25 DAL 23:30 3h 05m 16 12% 0.0% 48 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 DAL 2h 55m 85% 0.8% 509 Flying now
Southwest BUR DAL 3h 05m 85% 1.0% 394 Flying now
Southwest SNA DAL 2h 55m 77% 0.5% 364 Flying now
Southwest ONT DAL 2h 50m 76% 1.5% 399 Flying now
Southwest LAX DAL 3h 00m 66% 0.7% 1,471 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