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Showing Southwest only (incl. its regional partners)All airlines ×
2,164 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am from Ontario or Long Beach: almost all depart on time. After 4 pm it’s 64%.

Best time to leave 6–7 am
Best airport pair LGB → HOU 79% on time, 0.2% cancelled, 461 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
19
20
21
22
23
LAX
96
80
73
65
68
31
18
74
BUR
93
LGB
97
82
72
58
ONT
98
56
51
35
% 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 9 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 2399 LAX 05:10 HOU 10:30 3h 20m 34 88% 0.0% 18 min
WN 26 LAX 06:35 HOU 11:50 3h 15m 16 88% 0.0% 30 min
WN 2310 LAX 08:40 HOU 14:00 3h 20m 16 94% 0.0% 71 min
WN 2483 LGB 08:50 HOU 14:05 3h 15m 33 88% 0.0% 25 min
WN 4868 ONT 09:40 HOU 14:50 3h 10m 42 69% 0.0% 29 min
WN 2393 LGB 13:15 HOU 18:35 3h 20m 16 94% 0.0% 20 min
WN 3225 LAX 14:10 HOU 19:35 3h 20m 49 24% 0.0% 48 min
WN 4858 LAX 18:50 HOU 00:08 3h 18m 26 23% 0.0% 54 min
WN 2402 LAX 23:40 HOU 05:00 3h 20m 58 67% 0.0% 44 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 HOU 3h 05m 79% 0.2% 461 Flying now
Southwest LAX HOU 3h 10m 73% 0.2% 1,194 Flying now
Southwest ONT HOU 3h 00m 67% 0.0% 362 Flying now
Southwest BUR HOU 3h 15m 89% 0.7% 147 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