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WanderNerd

Route Reliability

New Orleans → Philadelphia

MSYPHL · 1,089 miles · Louis Armstrong New Orleans International Airport to Philadelphia International Airport

73
Usually Fine
WanderNerd Reliability Score
81%
Arrive within 15 minutes
15 min
Average arrival delay
3.3%
Cancelled
1,108
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.American Airlines83%948 flights
  2. 2.Frontier Airlines73%160 flights

What the data says

Morning flights do better here.

MSY–PHL flights departing between 6–9 AM arrived on time 90% of the time, versus 64% between 9 PM–12 AM.

Sunday scaries are real for this one.

MSY–PHL flights arrived on time 91% of the time on Wednesdays and just 74% on Sundays. That gap is worth planning around.

American Airlines runs this route best.

American Airlines arrived on time 83% of the time on this route; Frontier Airlines managed 73%.

Keep a backup plan handy.

This route was cancelled 3.3% of the time. Typical for U.S. flights is around 1–2%.

Flights on this route

The breakdown

On-time by weekday
  • Mon79%(177 flights)
  • Tue84%(120 flights)
  • Wed91%(127 flights)
  • Thu83%(167 flights)
  • Fri80%(173 flights)
  • Sat83%(127 flights)
  • Sun74%(177 flights)
On-time by departure window
  • 3–6 AM86%(29 flights)
  • 6–9 AM90%(241 flights)
  • 9 AM–12 PM83%(327 flights)
  • 12–3 PM79%(201 flights)
  • 3–6 PM75%(183 flights)
  • 6–9 PM73%(45 flights)
  • 9 PM–12 AM64%(42 flights)
On-time trend by month
86%
May

Jun 76% → May 86% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%84
July 202574%80
August 202584%94
September 202585%88
October 202578%96
November 202583%76
December 202569%80
January 202677%79
February 202686%88
March 202684%95
April 202688%106
May 202686%102

Based on 1,108 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.