OnTimeStats

Historical on-time performance

Oakland to Kansas City

1,489 miData through May 2026Source: US DOT · BTS

Flights on OAK–MCI arrive on time 87% of the time over the last 12 months.

On-time rate87%arrived within 15 min
p90 delay15 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights

based on 160 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

  • Southwest Airlines
    On-time87%
    Medianon time
    p9015 min
    Cancel0.6%
    Flights160

Why flights run late

Delay causes

  • Airline51%
  • Weather0%
  • Air traffic (NAS)23%
  • Late aircraft23%
  • Security3%

Most delay minutes here are attributed to Airline.

When flights don't go

Why flights were cancelled

  • Airline100%
  • Weather0%
  • Air traffic (NAS)0%
  • Security0%

Most cancellations here are attributed to Airline. Shares are among 1 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 OAK → MCI

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 · 675 flights
  • Middays73% on time · p90 35 min · 212 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 82% to 86% on time.

  • Sundays86% on time · p90 15 min · 146 flights · limited
  • Wednesdays85% on time · p90 20 min · 135 flights · limited
  • Tuesdays85% on time · p90 20 min · 135 flights · limited
  • Fridays85% on time · p90 20 min · 135 flights · limited
  • Thursdays82% on time · p90 20 min · 136 flights · limited
  • Mondays82% on time · p90 20 min · 136 flights · limited
  • Saturdays82% on time · p90 25 min · 117 flights · limited

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.