OnTimeStats

Historical on-time performance

Austin to Sacramento

1,481 miData through Dec 2025Source: US DOT · BTS

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

On-time rate77%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights

based on 551 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

  • Southwest Airlines
    On-time77%
    Medianon time
    p9045 min
    Cancel0.9%
    Flights551

Why flights run late

Delay causes

  • Airline23%
  • Weather1%
  • Air traffic (NAS)3%
  • Late aircraft72%
  • 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 → SMF

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

Best time of day

Mornings are the most reliable time of day to fly this route — 87% on time.

  • Mornings87% on time · p90 15 min · 550 flights
  • Middays78% on time · p90 30 min · 369 flights
  • Evenings65% on time · p90 60 min · 265 flights
  • Afternoons63% on time · p90 35 min · 306 flights
  • Overnights58% on time · p90 75 min · 291 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 71% to 75% on time.

  • Tuesdays75% on time · p90 35 min · 247 flights
  • Sundays74% on time · p90 40 min · 257 flights
  • Wednesdays73% on time · p90 40 min · 246 flights
  • Fridays73% on time · p90 40 min · 274 flights
  • Thursdays72% on time · p90 40 min · 270 flights
  • Mondays72% on time · p90 40 min · 272 flights
  • Saturdays71% on time · p90 50 min · 215 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.