OnTimeStats

Historical on-time performance

Austin to Indianapolis

919 miData through Dec 2025Source: US DOT · BTS

Flights on AUS–IND arrive on time 77% of the time over the last 12 months.

On-time rate77%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights

based on 803 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-time78%
    Medianon time
    p9040 min
    Cancel0.7%
    Flights589
  • SkyWest Airlines
    On-time74%
    Medianon time
    p9075 min
    Cancel0.0%
    Flights214

Why flights run late

Delay causes

  • Airline36%
  • Weather8%
  • Air traffic (NAS)17%
  • Late aircraft39%
  • Security0%

Most delay minutes here are attributed to Late aircraft.

Over time

On-time trend

By season

On-time rate by month

When to fly

Best time to fly AUS → IND

All airlines · rolling 36 months (2023-01 .. 2025-12).

Best time of day

On-time rates are fairly even by time of day on this route — ranging from 63% to 87% on time.

  • Mornings87% on time · p90 15 min · 565 flights
  • Middays86% on time · p90 15 min · 553 flights
  • Afternoons72% on time · p90 40 min · 493 flights
  • Evenings68% on time · p90 60 min · 837 flights
  • Overnights63% on time · p90 50 min · 143 flights · limited

Best day of week

On-time rates are fairly even by day on this route — ranging from 73% to 81% on time.

  • Saturdays81% on time · p90 25 min · 241 flights
  • Tuesdays80% on time · p90 40 min · 356 flights
  • Fridays78% on time · p90 30 min · 432 flights
  • Wednesdays77% on time · p90 35 min · 358 flights
  • Sundays76% on time · p90 40 min · 393 flights
  • Mondays74% on time · p90 45 min · 427 flights
  • Thursdays73% on time · p90 50 min · 384 flights
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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.