Route on-time record
SAT to LAX: most on-time flights and the best time to fly
San Antonio (San Antonio International Airport) to Los Angeles (Los Angeles International Airport). 1,921 nonstop flights in Jun 2025 to May 2026, 87% arrived within 15 minutes and 0.4% were cancelled. The most reliable flight number was Delta 1406 at 7:30 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
SAT → LAX
San Antonio to Los Angeles: 1,921 nonstop flights a year
On time (12 months)
87%
Cancelled
0.4%
avg delay 11 min
Best time to leave
Before 9 AM
93% on time vs 68% 6 to 9 PM
Most reliable airline
SkyWest
90% chance on time
Lowest nonstop fare seen in the next two months: $331 (American 4951 on 2026-10-25). 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 · Delta 1406
7:30 AM → 8:48 AM3h 18m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Delta 2534; its record covers all of them.
93%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.3%
- Avg arrival delay
- 6 min
- Arrived on time 93% of the time (364 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 68%).
Strong track record · 364 flights
Find Delta 1406 fares Opens this date on Aviasales#2 · SkyWest 4951 · sold as United Express, Delta Connection, American Eagle or Alaska
8:30 AM → 10:02 AM3h 32m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.3%
- Avg arrival delay
- 12 min
- Arrived on time 93% of the time (326 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 68%).
Strong track record · 326 flights
Find 8:30 AM flight fares Opens this date on Aviasales#3 · SkyWest 6213 · sold as United Express, Delta Connection, American Eagle or Alaska
3:59 PM → 5:28 PM3h 29m nonstop
Local times, typical schedule. Last flown 2026-05-20.
92%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.0%
- Avg arrival delay
- 19 min
- Arrived on time 93% of the time (70 flights, Jun 2025 to May 2026).
- Never cancelled in 70 scheduled flights.
- Lands inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
Moderate track record · 70 flights
Find 3:59 PM flight fares Opens this date on Aviasales#4 · Delta 1338
4:10 PM → 5:37 PM3h 27m nonstop
Local times, typical schedule. Last flown 2026-04-12.
91%
chance on time
- On time (history)
- 97%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 97% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 31 scheduled flights.
- Lands inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
- Short track record (31 flights), so its score leans on the airline's record at this hour.
Limited track record · 31 flights
Find Delta 1338 fares Opens this date on Aviasales#5 · SkyWest 6307 · sold as United Express, Delta Connection, American Eagle or Alaska
3:05 PM → 4:28 PM3h 23m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
- On time (history)
- 82%
- Cancelled
- 0.0%
- Avg arrival delay
- 20 min
- Arrived on time 82% of the time (11 flights, Jun 2025 to May 2026).
- Lands inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
- 69% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 3:05 PM flight fares Opens this date on Aviasales#6 · Delta 2568
3:33 PM → 4:53 PM3h 20m nonstop
Local times, typical schedule. Last flown 2026-05-06.
88%
chance on time
- On time (history)
- 86%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 86% of the time (21 flights, Jun 2025 to May 2026).
- Lands inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
- 62% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (21 flights), so its score leans on the airline's record at this hour.
Limited track record · 21 flights
Find Delta 2568 fares Opens this date on Aviasales#7 · Delta 2598
4:47 PM → 6:04 PM3h 17m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 79%
- Cancelled
- 5.0%
- Avg arrival delay
- 15 min
- Arrived on time 79% of the time (19 flights, Jun 2025 to May 2026).
- Lands inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
- 84% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (19 flights), so its score leans on the airline's record at this hour.
Limited track record · 19 flights
Find Delta 2598 fares Opens this date on Aviasales#8 · Southwest 4398
12:20 PM → 1:45 PM3h 25m nonstop
Local times, typical schedule. Last flown 2026-04-06.
70%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 7 min
- Arrived on time 75% of the time (28 flights, Jun 2025 to May 2026).
- Short track record (28 flights), so its score leans on the airline's record at this hour.
Limited track record · 28 flights
Find Southwest 4398 fares Opens this date on Aviasales#9 · Southwest 4164
2:45 PM → 4:05 PM3h 20m nonstop
Local times, typical schedule. Last flown 2026-05-30.
69%
chance on time
- On time (history)
- 57%
- Cancelled
- 0.0%
- Avg arrival delay
- 18 min
- Arrived on time 57% of the time (47 flights, Jun 2025 to May 2026).
- Never cancelled in 47 scheduled flights.
- Lands inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
- 55% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 47 flights
Find Southwest 4164 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)90%
693 flights · 91% on time as flown · 0.2% cancel
- Delta Air Lines89%
688 flights · 89% on time as flown · 0.4% cancel
- Spirit Airlines86%
199 flights · 87% on time as flown · 1.3% cancel
- Southwest Airlines77%
337 flights · 76% on time as flown · 0.1% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
812 flights · avg delay 9 min
- Noon to 3 PM82%
302 flights · avg delay 11 min
- 3 to 6 PM85%
659 flights · avg delay 12 min
- 6 to 9 PM68%
91 flights · avg delay 24 min
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)51%
- Late-arriving aircraft35%
- Air traffic control and airport volume8%
- Severe weather6%
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
SAT to LAX questions
- What time of day is best to fly SAT to LAX?
- Before 9 AM: 93% of flights arrived on time, against 68% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from SAT to LAX?
- SkyWest, with a season-adjusted 90% chance of operating and arriving on time over 693 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 SAT to LAX?
- May (80% on time); the best was November (91%), 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.
More routes from SAT
- LAX to SAT (return)
- SAT to DFW 77%
- SAT to ATL 85%
- SAT to DEN 81%
- SAT to DAL 84%
- SAT to PHX 83%
- SAT to IAH 81%
- SAT to LAS 83%
- SAT to ORD 76%
- SAT to HOU 74%
- SAT to CLT 86%
- SAT to MCO 77%
- SAT to SLC 86%
Live status: FAA delays and ground stops