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43,656 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am from Long Beach: 96% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 5–6 am 99% arrive on time from ONT, 97% arrive on time from LAX
Best airport pair LGB → OAK 89% on time, 0.4% cancelled, 1,597 flights
Best single flight DL 1421 LAX 07:00 → SFO 08:23 · 94% on time Avoid F9 2677 ONT 20:36 → SFO 22:13 · 42% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
LAX
96
95
90
79
79
71
77
76
76
71
73
75
73
66
61
59
70
71
BUR
92
76
84
83
83
77
75
80
76
70
77
69
70
64
LGB
96
97
95
97
92
89
89
78
82
74
73
83
77
68
73
SNA
97
88
95
76
85
73
79
72
67
79
77
79
66
66
62
75
ONT
99
95
95
72
85
83
90
85
76
79
67
75
65
67
60
57
66
62
% 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
San Francisco Bay Area flights leaving SNA 2–3 pm: 6Close ×
AS 3404flown by SkyWest SNA 14:00 SFO 15:34 1h 34m 99 63% 2.0% 54 min
WN 375 SNA 14:30 OAK 15:50 1h 20m 26 54% 0.0% 60 min
AS 3216flown by SkyWest SNA 14:46 SFO 16:20 1h 34m 93 78% 2.2% 69 min
AS 3269flown by SkyWest SNA 14:46 SFO 16:20 1h 34m 37 19% 0.0% 65 min
UA 1383 SNA 14:47 SFO 16:18 1h 31m 88 38% 1.1% 50 min
UA 2823 SNA 14:47 SFO 16:18 1h 31m 37 35% 0.0% 54 min

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 21,317 83% 0.6% 54 min
Delta (incl. SkyWest) 4,633 77% 1.2% 55 min
Alaska (incl. SkyWest, Horizon) 5,914 69% 1.8% 62 min
United (incl. SkyWest) 9,073 67% 0.7% 65 min
American (incl. SkyWest) 1,855 65% 0.8% 62 min
Frontier 855 54% 2.3% 71 min
Spirit SNA→OAK only 9 – 0.0% 92 min

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 1421 LAX 07:00 SFO 08:23 94%
AS 3251flown by SkyWest SNA 06:45 SFO 08:30 93%
UA 2363 ONT 06:00 SFO 07:25 91%
DL 3842flown by SkyWest LAX 12:57 SJC 14:19 90%
DL 3883flown by SkyWest LAX 18:16 SJC 19:32 88%
· · ·
F9 4593 LAX 18:57 SFO 20:30 49%
DL 2197 LAX 20:25 SFO 21:49 45%
F9 2677 ONT 20:36 SFO 22:13 42%
All 179 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.
Delta LAX SJC 1h 16m 91% 0.8% 2,259 Flying now
Southwest LGB OAK 1h 20m 89% 0.4% 1,597 Flying now
Southwest LGB SJC 1h 15m 88% 0.2% 1,239 Flying now
Southwest SNA SJC 1h 20m 87% 0.7% 2,676 Flying now
Southwest BUR SJC 1h 15m 87% 1.1% 2,161 Flying now
Southwest ONT OAK 1h 20m 87% 0.4% 1,471 Flying now
Southwest ONT SJC 1h 15m 86% 0.1% 1,319 Flying now
Southwest BUR OAK 1h 20m 86% 1.0% 2,735 Flying now
Southwest SNA OAK 1h 30m 85% 0.6% 2,343 Flying now
Southwest LAX SJC 1h 15m 82% 0.8% 1,844 Flying now
Southwest LAX OAK 1h 25m 81% 0.4% 2,080 Flying now
Frontier LAX SJC 1h 17m 81% 3.4% 117 Flying now
United SNA SFO 1h 35m 69% 1.1% 2,172 Flying now
Alaska SNA SFO 1h 36m 68% 2.1% 2,454 Flying now
United ONT SFO 1h 27m 67% 0.5% 1,113 Flying now
United LAX SFO 1h 32m 67% 0.2% 3,621 Flying now
Alaska LAX SFO 1h 29m 65% 1.6% 2,319 Flying now
United BUR SFO 1h 36m 65% 1.0% 2,166 Flying now
American LAX SFO 1h 33m 65% 0.8% 1,845 Flying now
Delta LAX SFO 1h 23m 64% 1.6% 2,374 Flying now
Frontier SNA SFO 1h 42m 62% 1.3% 151 Flying now
Southwest LAX SFO 1h 25m 55% 0.4% 1,426 Flying now
Frontier LAX SFO 1h 37m 50% 2.3% 391 Flying now
Southwest BUR SFO 1h 25m 40% 1.9% 426 Flying now
Frontier ONT SFO 1h 37m 39% 2.6% 196 Flying now
Alaska LAX SJC 1h 23m 87% 1.5% 525 Not flying now
Alaska BUR SFO 1h 39m 72% 1.6% 616 Not flying now
United LAX SJC – 100%few flights 0.0% 1 Not flying now
American LAX SJC – 70%few flights 0.0% 10 Not flying now
Spirit SNA OAK – 44%few flights 0.0% 9 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