Route on-time record

LAX to SAN: most on-time flights and the best time to fly

Los Angeles (Los Angeles International Airport) to San Diego (San Diego International Airport). 2,437 nonstop flights in Jun 2025 to May 2026, 86% arrived within 15 minutes and 0.9% were cancelled. The most reliable flight number was United 594 at 10:56 PM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

LAX → SAN

Los Angeles to San Diego: 2,437 nonstop flights a year

On time (12 months)

86%

Cancelled

0.9%

avg delay 10 min

Best time to leave

After 9 PM

90% on time vs 83% noon to 3 PM

Most reliable airline

United

88% chance on time

Check LAX to SAN fares

Lowest nonstop fare seen in the next two months: $219 (United 1068 on 2026-10-22). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

#1 · United 594
10:56 PM → 11:54 PM58m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 1717; its record covers all of them.
93%
chance on time
On time (history)
96%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 96% of the time (47 flights, Jun 2025 to May 2026).
- Never cancelled in 47 scheduled flights.
- Leaves in this route's most on-time window (After 9 PM: 90% on time; Noon to 3 PM: 83%).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
Limited track record · 47 flights
Find United 594 fares Opens this date on Aviasales
#2 · United 424
10:43 PM → 11:40 PM57m nonstop
Local times, typical schedule. Last flown 2026-03-27.
92%
chance on time
On time (history)
93%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 93% of the time (14 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (After 9 PM: 90% on time; Noon to 3 PM: 83%).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
- Short track record (14 flights), so its score leans on the airline's record at this hour.
Limited track record · 14 flights
Find United 424 fares Opens this date on Aviasales
#3 · SkyWest 5464 · sold as United Express, Delta Connection, American Eagle or Alaska
4:10 PM → 5:12 PM1h 02m nonstop
Local times, typical schedule. Last flown 2026-04-29.
89%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
0 min
- Arrived on time 100% of the time (10 flights, Jun 2025 to May 2026).
- Departs inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find 4:10 PM flight fares Opens this date on Aviasales
#4 · SkyWest 4643 · sold as United Express, Delta Connection, American Eagle or Alaska
9:17 AM → 10:20 AM1h 03m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
On time (history)
89%
Cancelled
1.9%
Avg arrival delay
8 min
- Arrived on time 89% of the time (358 flights, Jun 2025 to May 2026).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
- Lands inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
Strong track record · 358 flights
Find 9:17 AM flight fares Opens this date on Aviasales
#5 · SkyWest 5415 · sold as United Express, Delta Connection, American Eagle or Alaska
4:22 PM → 5:24 PM1h 02m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
On time (history)
88%
Cancelled
2.1%
Avg arrival delay
10 min
- Arrived on time 88% of the time (278 flights, Jun 2025 to May 2026).
- Departs inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
Strong track record · 278 flights
Find 4:22 PM flight fares Opens this date on Aviasales
#6 · SkyWest 5386 · sold as United Express, Delta Connection, American Eagle or Alaska
7:00 PM → 8:02 PM1h 02m nonstop
Local times, typical schedule. Last flown 2026-05-18.
86%
chance on time
On time (history)
87%
Cancelled
0.0%
Avg arrival delay
5 min
- Arrived on time 87% of the time (15 flights, Jun 2025 to May 2026).
- Departs inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find 7:00 PM flight fares Opens this date on Aviasales
#7 · United 1730
7:14 PM → 8:12 PM58m nonstop
Local times, typical schedule. Last flown 2026-04-29.
86%
chance on time
On time (history)
84%
Cancelled
0.0%
Avg arrival delay
9 min
- Arrived on time 84% of the time (56 flights, Jun 2025 to May 2026).
- Never cancelled in 56 scheduled flights.
- Departs inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
- Short track record (56 flights), so its score leans on the airline's record at this hour.
Limited track record · 56 flights
Find United 1730 fares Opens this date on Aviasales
#8 · SkyWest 3746 · sold as United Express, Delta Connection, American Eagle or Alaska
10:20 PM → 11:14 PM55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
On time (history)
86%
Cancelled
0.8%
Avg arrival delay
8 min
- Arrived on time 86% of the time (359 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (After 9 PM: 90% on time; Noon to 3 PM: 83%).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
Strong track record · 359 flights
Find 10:20 PM flight fares Opens this date on Aviasales
#9 · SkyWest 4018 · sold as United Express, Delta Connection, American Eagle or Alaska
8:28 AM → 9:24 AM57m nonstop
Local times, typical schedule. Last flown 2026-05-06.
85%
chance on time
On time (history)
85%
Cancelled
1.2%
Avg arrival delay
10 min
- Arrived on time 85% of the time (336 flights, Jun 2025 to May 2026).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
- Lands inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
Strong track record · 336 flights
Find 8:28 AM flight fares Opens this date on Aviasales
#10 · SkyWest 3601 · sold as United Express, Delta Connection, American Eagle or Alaska
2:05 PM → 2:57 PM52m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 4001; its record covers all of them.
83%
chance on time
On time (history)
84%
Cancelled
0.3%
Avg arrival delay
10 min
- Arrived on time 84% of the time (288 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (Noon to 3 PM: 83% on time; After 9 PM: 90%).
- Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
Strong track record · 288 flights
Find 2:05 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

United Airlines88%
158 flights · 90% on time as flown · 0.5% cancel
SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)85%
2,279 flights · 86% on time as flown · 1.0% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM87%
262 flights · avg delay 9 min
9 AM to noon88%
452 flights · avg delay 9 min
Noon to 3 PM83%
353 flights · avg delay 11 min
3 to 6 PM84%
172 flights · avg delay 9 min
6 to 9 PM84%
549 flights · avg delay 10 min
After 9 PM90%
649 flights · avg delay 9 min

Best day: Tuesday (91%). Worst: Sunday (83%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

What delays this route

Airline (crew, maintenance, boarding)46%
Air traffic control and airport volume27%
Severe weather19%
Late-arriving aircraft9%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

LAX to SAN questions

What time of day is best to fly LAX to SAN?: After 9 PM: 90% of flights arrived on time, against 83% for departures noon to 3 PM.
Which airline is most on time from LAX to SAN?: United, with a season-adjusted 88% chance of operating and arriving on time over 158 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on LAX to SAN?: December (82% on time); the best was April (90%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?: No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

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