OnTimeStats

Historical on-time performance

Indianapolis to Los Angeles

1,814 miData through Dec 2025Source: US DOT · BTS

Flights on IND–LAX arrive on time 82% of the time over the last 12 months.

On-time rate82%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.3%of scheduled flights

based on 377 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.

  • Delta Air Lines
    On-time87%
    Medianon time
    p9015 min
    Cancel0.0%
    Flights60
  • American Airlines
    On-time82%
    Medianon time
    p9035 min
    Cancel0.3%
    Flights317

Why flights run late

Delay causes

  • Airline45%
  • Weather5%
  • Air traffic (NAS)13%
  • Late aircraft37%
  • Security0%

Most delay minutes here are attributed to Airline.

Over time

On-time trend

By season

On-time rate by month

When to fly

Best time to fly IND → LAX

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 78% to 85% on time.

  • Mornings85% on time · p90 20 min · 673 flights
  • Afternoons81% on time · p90 35 min · 454 flights
  • Middays80% on time · p90 40 min · 75 flights · limited
  • Evenings78% on time · p90 45 min · 753 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 75% to 85% on time.

  • Fridays85% on time · p90 25 min · 331 flights
  • Tuesdays83% on time · p90 40 min · 238 flights
  • Wednesdays82% on time · p90 25 min · 235 flights
  • Thursdays81% on time · p90 30 min · 344 flights
  • Mondays80% on time · p90 40 min · 331 flights
  • Saturdays79% on time · p90 30 min · 260 flights
  • Sundays75% on time · p90 55 min · 257 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.