ON TIMEBOARD

LAX → AUS on time

Los Angeles LAX (Los Angeles, CA) to Austin-Bergstrom (Austin, TX). Every scheduled flight, September 2025 to August 2026.

On time
76%
arrived < 15 min late
Cancelled
0.6%
4,077 flights
Typical arrival
−4 min
median vs schedule
When late
+62 min
average delay
Flights / day
11
5 airlines

76% of flights from Los Angeles to Austin arrived on time over the past 12 months. That is about the typical U.S. route. The 6 a.m. departures ran on time 89% of the time; the 7 p.m. ones 52%. Most reliable airline: United Airlines (86%). 8% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LAX → AUS: when a flight was late, it was under 45 minutes late 58% of the time. About 1 in 15 flights landed an hour or more late, and 1 in 87 three hours or more; 0.6% were cancelled outright.

Share of all 4,077 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines1,29280%1.2%−7 min5.7%+66 minDelta Air Lines
Southwest Airlines1,03666%0.5%+5 min7.4%+48 minSouthwest Airlines
American Airlines1,00476%0.4%−8 min10.1%+81 minSkyWest 63%, American Airlines 37%
United Airlines73186%0.1%−6 min3.6%+53 minUnited Airlines 60%, SkyWest 40%
Spirit Airlines14—————Spirit Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at LAX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: too few flights (77 flights)5a6 a.m. departures: 89% on time (243 flights)896a7 a.m. departures: 87% on time (392 flights)877a8 a.m. departures: 83% on time (281 flights)838a9 a.m. departures: 83% on time (279 flights)839a10 a.m. departures: 80% on time (496 flights)8010a11 a.m. departures: 59% on time (107 flights)5911anoon departures: 74% on time (178 flights)7412p1 p.m. departures: 76% on time (127 flights)761p2 p.m. departures: 65% on time (253 flights)652p3 p.m. departures: too few flights (84 flights)3p4 p.m. departures: 76% on time (533 flights)764p5 p.m. departures: 80% on time (230 flights)805p6 p.m. departures: 73% on time (492 flights)736p7 p.m. departures: 52% on time (187 flights)527p8 p.m. departures: too few flights (49 flights)8p9 p.m. departures: too few flights9p10 p.m. departures: too few flights10p11 p.m. departures: too few flights (55 flights)11p
LAX → AUS, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsDelta Air LinesSouthwest AirlinesAmerican AirlinesUnited Airlines
6 a.m.88%89%——
7 a.m.85%88%——
8 a.m.——86%—
9 a.m.——83%—
10 a.m.82%——84%
2 p.m.——62%—
4 p.m.80%—73%86%
5 p.m.——89%—
6 p.m.67%—70%86%
7 p.m.—38%——

Last flight of the day

On LAX → AUS, each airline's last flight of the day was cancelled 0.5% of the time, against 0.7% for its earlier flights, so here the last flight is actually the safer one. It arrived 3+ hours late 1.4% of the time (earlier flights: 1.1%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
American Airlines6:52 p.m.0.6%1.7%0.3%first flight 9:14 a.m.
Delta Air Lines6:32 p.m.1.1%1.6%1.2%first flight 7:35 a.m.
United Airlines6:45 p.m.0.0%0.0%0.0%first flight 8:09 a.m.
Southwest Airlines7:20 p.m.0.3%2.1%0.6%first flight 6:35 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: September (87%). Worst: July (70%).

40%70%100%Jan: 82% on time (910 flights)82JanFeb: 83% on time (854 flights)83FebMar: 78% on time (1,130 flights)78MarApr: 80% on time (1,088 flights)80AprMay: 73% on time (1,094 flights)73MayJun: 72% on time (1,060 flights)72JunJul: 70% on time (1,064 flights)70JulAug: 82% on time (964 flights)82AugSep: 87% on time (979 flights)87SepOct: 82% on time (1,084 flights)82OctNov: 81% on time (1,064 flights)81NovDec: 79% on time (1,038 flights)79Dec

By day of week

DayFlightsOn timeCancelled
Monday63774%0.6%
Tuesday55680%0.5%
Wednesday56783%0.4%
Thursday62676%0.3%
Friday62475%0.5%
Saturday45175%1.1%
Sunday61674%1.0%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 45%Airline (crew, maintenance, ops) 39%Air traffic & airport (NAS) 14%Severe weather 2%

Cancellations: airline 13 · weather 12

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 83% on time, 0.8% cancelledOct 2023: 79% on time, 0.0% cancelledNov 2023: 82% on time, 0.0% cancelledDec 2023: 85% on time, 0.0% cancelledJan 2024: 77% on time, 2.3% cancelledFeb 2024: 84% on time, 0.0% cancelledMar 2024: 78% on time, 0.5% cancelledApr 2024: 77% on time, 0.0% cancelledMay 2024: 70% on time, 1.1% cancelledJun 2024: 64% on time, 0.6% cancelledJul 2024: 64% on time, 1.7% cancelledAug 2024: 85% on time, 0.3% cancelledSep 2024: 85% on time, 0.0% cancelledOct 2024: 84% on time, 0.0% cancelledNov 2024: 89% on time, 0.0% cancelledDec 2024: 79% on time, 0.0% cancelledJan 2025: 90% on time, 1.0% cancelledFeb 2025: 85% on time, 0.0% cancelledMar 2025: 85% on time, 0.3% cancelledApr 2025: 85% on time, 0.3% cancelledMay 2025: 80% on time, 0.9% cancelledJun 2025: 80% on time, 0.3% cancelledJul 2025: 74% on time, 1.7% cancelledAug 2025: 86% on time, 0.6% cancelledSep 2025: 94% on time, 0.0% cancelledOct 2025: 84% on time, 0.0% cancelledNov 2025: 72% on time, 0.9% cancelledDec 2025: 75% on time, 0.0% cancelledJan 2026: 78% on time, 3.0% cancelledFeb 2026: 80% on time, 1.4% cancelledMar 2026: 71% on time, 0.3% cancelledApr 2026: 80% on time, 0.3% cancelledMay 2026: 70% on time, 0.8% cancelledJun 2026: 72% on time, 0.3% cancelledJul 2026: 71% on time, 0.8% cancelledAug 2026: 75% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
LAX → AUS, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 9467:35 a.m.34186%2.4%−9 minDelta Air Lines
UA 199010:50 a.m.17388%0.0%−3 minUnited Airlines
DL 98612:25 p.m.31486%1.0%−10 minDelta Air Lines
DL 6221:10 p.m.34477%0.9%−7 minDelta Air Lines
DL 6926:32 p.m.23871%0.0%0 minDelta Air Lines
AA 21186:52 p.m.12169%0.0%+2 minAmerican Airlines

Worst days in the past year

DateFlightsOn timeCancelled
Jan 25, 2026119%4
May 26, 20261225%0
Nov 2, 20251225%0
Jan 26, 20261030%0
Nov 9, 20251331%1

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Los Angeles or Austin. LGB → AUS has been 5 points more reliable.

RouteFlightsOn timeCancelled
LAX → AUS (this route)4,07776%0.6%
LGB → AUS Long Beach to Austin-Bergstrom41282%0.0%

Questions

How often are flights from LAX to AUS on time?

76% of 4,077 scheduled flights from Los Angeles, CA to Austin, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 0.6% were cancelled.

What is the best time of day to fly LAX to AUS?

Flights scheduled to leave at 6 a.m. were the most reliable (89% on time). The 7 p.m. departures were the least (52%).

Which airline is most on time from LAX to AUS?

United Airlines: 86% of its 731 flights on the route arrived on time. Delta Air Lines: 80%. Southwest Airlines: 66%. American Airlines: 76%.

What month has the most delays from LAX to AUS?

July (70% on time). The best month is September (87%), over 2023–2026.

Is the last flight of the day from LAX to AUS more likely to be cancelled?

No, the opposite. Each airline's last LAX–AUS flight of the day was cancelled 0.5% of the time over the past year, against 0.7% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.