OnTimeStats

Historical on-time performance

Dallas to Tulsa

237 miData through Dec 2025Source: US DOT · BTS

Flights on DAL–TUL arrive on time 79% of the time over the last 12 months.

On-time rate79%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights

based on 1,048 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

  • Southwest Airlines
    On-time79%
    Medianon time
    p9040 min
    Cancel0.9%
    Flights1,048

Why flights run late

Delay causes

  • Airline23%
  • Weather4%
  • Air traffic (NAS)12%
  • Late aircraft61%
  • 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 DAL → TUL

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 — 92% on time.

  • Mornings92% on time · p90 5 min · 764 flights
  • Middays87% on time · p90 20 min · 701 flights
  • Afternoons75% on time · p90 45 min · 674 flights
  • Evenings73% on time · p90 50 min · 469 flights
  • Overnights64% on time · p90 70 min · 843 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 73% to 84% on time.

  • Tuesdays84% on time · p90 35 min · 512 flights
  • Wednesdays81% on time · p90 40 min · 513 flights
  • Mondays80% on time · p90 35 min · 545 flights
  • Fridays77% on time · p90 40 min · 544 flights
  • Saturdays77% on time · p90 35 min · 364 flights
  • Sundays76% on time · p90 45 min · 434 flights
  • Thursdays73% on time · p90 50 min · 539 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.