OnTimeStats

Historical on-time performance

Los Angeles to Austin

1,242 miData through May 2026Source: US DOT · BTS

Flights on LAX–AUS arrive on time 78% of the time over the last 12 months.

On-time rate78%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights

based on 3,868 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Too close to call — no single carrier is clearly more on-time here.

  • United Airlines
    On-time86%
    Medianon time
    p9015 min
    Cancel0.0%
    Flights332
  • SkyWest Airlines
    On-time85%
    Medianon time
    p9025 min
    Cancel0.5%
    Flights753
  • Delta Air Lines
    On-time80%
    Medianon time
    p9035 min
    Cancel1.1%
    Flights1,286
  • Southwest Airlines
    On-time70%
    Medianon time
    p9045 min
    Cancel0.5%
    Flights1,013
  • American Airlines
    On-time69%
    Medianon time
    p9090 min
    Cancel1.2%
    Flights484

Why flights run late

Delay causes

  • Airline39%
  • Weather2%
  • Air traffic (NAS)13%
  • Late aircraft46%
  • Security0%

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Why flights were cancelled

  • Airline45%
  • Weather55%
  • Air traffic (NAS)0%
  • Security0%

Most cancellations here are attributed to Weather. Shares are among 29 cancellations with a reported cause (BTS reports causes from June 2003).

Over time

On-time trend

By season

On-time rate by month

When to fly

Best time to fly LAX → AUS

All airlines · rolling 36 months (2023-06 .. 2026-05).

Best time of day

Mornings are the most reliable time of day to fly this route — 88% on time.

  • Mornings88% on time · p90 15 min · 3,968 flights
  • Middays78% on time · p90 35 min · 2,599 flights
  • Evenings75% on time · p90 55 min · 3,329 flights
  • Afternoons74% on time · p90 70 min · 2,370 flights
  • Overnights67% on time · p90 45 min · 150 flights · limited

Best day of week

On-time rates are fairly even by day on this route — ranging from 75% to 83% on time.

  • Tuesdays83% on time · p90 25 min · 1,737 flights
  • Wednesdays81% on time · p90 35 min · 1,755 flights
  • Saturdays81% on time · p90 35 min · 1,360 flights
  • Mondays80% on time · p90 40 min · 1,914 flights
  • Thursdays78% on time · p90 35 min · 1,911 flights
  • Fridays78% on time · p90 40 min · 1,919 flights
  • Sundays75% on time · p90 50 min · 1,835 flights

Keep exploring

Related pages

Delay predictorfor this route→LAX airportLos Angeles→AUS airportAustin→Delta Air Linesairline profile→Southwest Airlinesairline profile→SkyWest Airlinesairline profile→Seasonal delay patternsguide→

Methodology

A flight is on time when it arrives within 15 minutes of schedule — the US DOT / BTS standard. Median and p90(the “1-in-10 bad day”) are read from the full arrival-delay distribution, never averaged across periods.

Figures cover a carrier’s own BTS-coded flights. Cells below ~200 flights are flagged as limited data. All numbers are pre-computed from public BTS On-Time Performance data.