OnTimeStats

Historical on-time performance

San Diego to New Orleans

1,599 miData through Dec 2025Source: US DOT · BTS

Flights on SAN–MSY arrive on time 63% of the time over the last 12 months.

On-time rate63%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled0.0%of scheduled flights

based on 214 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

  • Southwest Airlines
    On-time63%
    Median5 min
    p9060 min
    Cancel0.0%
    Flights214

Why flights run late

Delay causes

  • Airline33%
  • Weather1%
  • Air traffic (NAS)6%
  • Late aircraft58%
  • Security1%

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 SAN → MSY

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 — 83% on time.

  • Mornings83% on time · p90 25 min · 87 flights · limited
  • Middays70% on time · p90 40 min · 474 flights
  • Afternoons59% on time · p90 70 min · 193 flights · limited

Best day of week

On-time rates are fairly even by day on this route — ranging from 54% to 81% on time.

  • Tuesdays81% on time · p90 30 min · 99 flights · limited
  • Saturdays80% on time · p90 30 min · 129 flights · limited
  • Wednesdays75% on time · p90 20 min · 100 flights · limited
  • Mondays66% on time · p90 50 min · 112 flights · limited
  • Sundays66% on time · p90 40 min · 134 flights · limited
  • Fridays58% on time · p90 75 min · 110 flights · limited
  • Thursdays54% on time · p90 85 min · 109 flights · limited
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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.