OnTimeStats

Historical on-time performance

Atlanta to Austin

813 miData through May 2026Source: US DOT · BTS

Flights on ATL–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)
Cancelled1.4%of scheduled flights

based on 4,361 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.

  • Southwest Airlines
    On-time80%
    Medianon time
    p9030 min
    Cancel0.6%
    Flights1,036
  • Delta Air Lines
    On-time77%
    Medianon time
    p9045 min
    Cancel1.6%
    Flights3,264
  • Frontier Airlines
    On-time64%
    Medianon time
    p9060 min
    Cancel0.0%
    Flights61

Why flights run late

Delay causes

  • Airline41%
  • Weather4%
  • Air traffic (NAS)23%
  • Late aircraft32%
  • Security0%

Most delay minutes here are attributed to Airline.

When flights don't go

Why flights were cancelled

  • Airline61%
  • Weather37%
  • Air traffic (NAS)2%
  • Security0%

Most cancellations here are attributed to Airline. Shares are among 59 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 ATL → 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 — 89% on time.

  • Mornings89% on time · p90 15 min · 2,766 flights
  • Middays83% on time · p90 25 min · 3,227 flights
  • Afternoons71% on time · p90 45 min · 2,736 flights
  • Evenings69% on time · p90 55 min · 2,516 flights
  • Overnights68% on time · p90 65 min · 2,048 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 70% to 84% on time.

  • Wednesdays84% on time · p90 25 min · 1,837 flights
  • Tuesdays82% on time · p90 30 min · 1,843 flights
  • Saturdays78% on time · p90 35 min · 1,591 flights
  • Thursdays76% on time · p90 40 min · 2,011 flights
  • Mondays74% on time · p90 45 min · 2,025 flights
  • Fridays74% on time · p90 45 min · 2,029 flights
  • Sundays70% on time · p90 50 min · 1,957 flights

Keep exploring

Related pages

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.