OnTimeStats

Historical on-time performance

Boston to New Orleans

1,367 miData through Dec 2025Source: US DOT · BTS

Flights on BOS–MSY arrive on time 76% of the time over the last 12 months.

On-time rate76%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights

based on 811 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Too close to call — no single carrier is clearly more on-time here.

  • Delta Air Lines
    On-time78%
    Medianon time
    p9035 min
    Cancel1.5%
    Flights344
  • JetBlue Airways
    On-time75%
    Medianon time
    p9050 min
    Cancel0.9%
    Flights467

Why flights run late

Delay causes

  • Airline38%
  • Weather2%
  • Air traffic (NAS)25%
  • Late aircraft35%
  • Security0%

Most delay minutes here are attributed to Airline.

Over time

On-time trend

By season

On-time rate by month

When to fly

Best time to fly BOS → MSY

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

Best time of day

On-time rates are fairly even by time of day on this route — ranging from 66% to 80% on time.

  • Middays80% on time · p90 45 min · 1,112 flights
  • Mornings79% on time · p90 30 min · 1,163 flights
  • Afternoons66% on time · p90 70 min · 347 flights
  • Evenings66% on time · p90 50 min · 93 flights · limited

Best day of week

On-time rates are fairly even by day on this route — ranging from 72% to 83% on time.

  • Tuesdays83% on time · p90 25 min · 360 flights
  • Saturdays81% on time · p90 40 min · 376 flights
  • Wednesdays78% on time · p90 30 min · 358 flights
  • Fridays76% on time · p90 45 min · 411 flights
  • Sundays76% on time · p90 45 min · 413 flights
  • Thursdays75% on time · p90 45 min · 405 flights
  • Mondays72% on time · p90 50 min · 413 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.