Route on-time record

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

Austin (Austin Bergstrom International Airport) to Los Angeles (Los Angeles International Airport). 4,074 nonstop flights in Jun 2025 to May 2026, 82% arrived within 15 minutes and 0.7% were cancelled. The most reliable flight number was SkyWest 4642 at 6:00 AM.

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

AUS → LAX

Austin to Los Angeles: 4,074 nonstop flights a year

On time (12 months)

82%

Cancelled

0.7%

avg delay 14 min

Best time to leave

Before 9 AM

92% on time vs 60% after 9 PM

Most reliable airline

United

87% chance on time

Check AUS to LAX fares

Lowest nonstop fare seen in the next two months: $178 (American 1291 on 2026-10-24). 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 · SkyWest 4642 · sold as United Express, Delta Connection, American Eagle or Alaska
6:00 AM → 7:40 AM3h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 100% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 60%).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 ground stops and delay programs started).
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 6:00 AM flight fares Opens this date on Aviasales
#2 · Southwest 148
5:10 AM → 6:40 AM3h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
92%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
0 min
- Arrived on time 100% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 60%).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 ground stops and delay programs started).
Limited track record · 33 flights
Find Southwest 148 fares Opens this date on Aviasales
#3 · United 236
8:00 AM → 9:28 AM3h 28m nonstop
Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as United 357; its record covers all of them.
92%
chance on time
On time (history)
92%
Cancelled
0.5%
Avg arrival delay
12 min
- Arrived on time 92% of the time (215 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 60%).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 ground stops and delay programs started).
- 54% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 215 flights
Find United 236 fares Opens this date on Aviasales
#4 · Delta 306
7:29 AM → 8:59 AM3h 21m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
On time (history)
92%
Cancelled
1.1%
Avg arrival delay
6 min
- Arrived on time 92% of the time (361 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 60%).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 ground stops and delay programs started).
Strong track record · 361 flights
Find Delta 306 fares Opens this date on Aviasales
#5 · Southwest 2355
5:25 AM → 6:45 AM3h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
On time (history)
93%
Cancelled
0.0%
Avg arrival delay
4 min
- Arrived on time 93% of the time (46 flights, Jun 2025 to May 2026).
- Never cancelled in 46 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 60%).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 ground stops and delay programs started).
Limited track record · 46 flights
Find Southwest 2355 fares Opens this date on Aviasales
#6 · SkyWest 5722 · sold as United Express, Delta Connection, American Eagle or Alaska
2:10 PM → 3:40 PM3h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
1 min
- Arrived on time 100% of the time (10 flights, Jun 2025 to May 2026).
- Departs inside AUS's trouble window: 79% of its 91 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find 2:10 PM flight fares Opens this date on Aviasales
#7 · SkyWest 6185 · sold as United Express, Delta Connection, American Eagle or Alaska
7:05 AM → 8:34 AM3h 29m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 6210; its record covers all of them.
88%
chance on time
On time (history)
86%
Cancelled
0.0%
Avg arrival delay
7 min
- Arrived on time 86% of the time (85 flights, Jun 2025 to May 2026).
- Never cancelled in 85 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 60%).
- Departs outside AUS's trouble window (10 AM to 4 PM, when 79% of its 91 ground stops and delay programs started).
Moderate track record · 85 flights
Find 7:05 AM flight fares Opens this date on Aviasales
#8 · Delta 946
1:10 PM → 2:39 PM3h 25m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
On time (history)
93%
Cancelled
3.5%
Avg arrival delay
6 min
- Arrived on time 93% of the time (82 flights, Jun 2025 to May 2026).
- Cancelled 3.5% of the time (3 of 85).
- Departs inside AUS's trouble window: 79% of its 91 ground stops and delay programs started between 10 AM and 4 PM.
Moderate track record · 82 flights
Find Delta 946 fares Opens this date on Aviasales
#9 · United 637
2:10 PM → 3:33 PM3h 23m nonstop
Local times, typical schedule. Last flown 2026-05-20.
86%
chance on time
On time (history)
87%
Cancelled
1.3%
Avg arrival delay
11 min
- Arrived on time 87% of the time (75 flights, Jun 2025 to May 2026).
- Departs inside AUS's trouble window: 79% of its 91 ground stops and delay programs started between 10 AM and 4 PM.
Moderate track record · 75 flights
Find United 637 fares Opens this date on Aviasales
#10 · SkyWest 6409 · sold as United Express, Delta Connection, American Eagle or Alaska
3:08 PM → 4:34 PM3h 26m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 6212; its record covers all of them.
85%
chance on time
On time (history)
85%
Cancelled
0.0%
Avg arrival delay
9 min
- Arrived on time 85% of the time (84 flights, Jun 2025 to May 2026).
- Never cancelled in 85 scheduled flights.
- Departs inside AUS's trouble window: 79% of its 91 ground stops and delay programs started between 10 AM and 4 PM.
- 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 · 84 flights
Find 3:08 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

United Airlines87%
455 flights · 89% on time as flown · 0.5% cancel
SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)87%
753 flights · 88% on time as flown · 0.6% cancel
Delta Air Lines81%
1,287 flights · 82% on time as flown · 1.1% cancel
Southwest Airlines76%
1,012 flights · 76% on time as flown · 0.4% cancel
American Airlines75%
540 flights · 74% on time as flown · 1.0% cancel

On time by departure time

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

Before 9 AM92%
1,314 flights · avg delay 7 min
Noon to 3 PM81%
935 flights · avg delay 13 min
3 to 6 PM78%
696 flights · avg delay 14 min
6 to 9 PM73%
847 flights · avg delay 23 min
After 9 PM60%
188 flights · avg delay 28 min

Best day: Tuesday (86%). Worst: Sunday (75%).

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

Late-arriving aircraft51%
Airline (crew, maintenance, boarding)37%
Air traffic control and airport volume8%
Severe weather5%

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

AUS to LAX questions

What time of day is best to fly AUS to LAX?: Before 9 AM: 92% of flights arrived on time, against 60% for departures after 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 AUS to LAX?: United, with a season-adjusted 87% chance of operating and arriving on time over 455 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 AUS to LAX?: May (70% on time); the best was September (86%), 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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