OnTimeStats

Historical on-time performance

Phoenix to Las Vegas

256 miData through May 2026Source: US DOT · BTS

Flights on PHX–LAS arrive on time 78% of the time over the last 12 months.

On-time rate78%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights

based on 6,011 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

  • Frontier Airlinesbest
    On-time82%
    Medianon time
    p9045 min
    Cancel1.0%
    Flights871
  • American Airlines
    On-time78%
    Medianon time
    p9045 min
    Cancel0.9%
    Flights1,692
  • Southwest Airlines
    On-time77%
    Medianon time
    p9035 min
    Cancel1.0%
    Flights3,448

Why flights run late

Delay causes

  • Airline28%
  • Weather4%
  • Air traffic (NAS)16%
  • Late aircraft52%
  • Security0%

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Why flights were cancelled

  • Airline30%
  • Weather30%
  • Air traffic (NAS)40%
  • Security0%

Most cancellations here are attributed to Air traffic (NAS). Shares are among 60 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 PHX → LAS

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 — 92% on time.

  • Mornings92% on time · p90 10 min · 5,214 flights
  • Middays80% on time · p90 35 min · 5,114 flights
  • Overnights71% on time · p90 60 min · 3,488 flights
  • Afternoons68% on time · p90 60 min · 3,327 flights
  • Evenings67% on time · p90 65 min · 2,948 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 72% to 84% on time.

  • Saturdays84% on time · p90 25 min · 2,400 flights
  • Wednesdays83% on time · p90 30 min · 2,735 flights
  • Tuesdays81% on time · p90 30 min · 2,652 flights
  • Mondays77% on time · p90 45 min · 3,075 flights
  • Sundays75% on time · p90 45 min · 3,043 flights
  • Thursdays74% on time · p90 50 min · 3,087 flights
  • Fridays72% on time · p90 60 min · 3,104 flights

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.