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WanderNerd

Route Reliability

New York → New Orleans

LGAMSY · 1,183 miles · LaGuardia Airport to Louis Armstrong New Orleans International Airport

61
A Little Dicey
WanderNerd Reliability Score
71%
Arrive within 15 minutes
15 min
Average arrival delay
3.7%
Cancelled
1,423
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Delta Air Lines79%720 flights
  2. 2.American Airlines70%365 flights
  3. 3.Southwest Airlines56%334 flights

Not enough history to rank: Frontier Airlines (4 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

LGA–MSY flights departing between 6–9 AM arrived on time 90% of the time, versus 60% between 3–6 PM.

Sunday scaries are real for this one.

LGA–MSY flights arrived on time 80% of the time on Saturdays and just 63% on Sundays. That gap is worth planning around.

Delta Air Lines has a clear lead on this route.

Delta Air Lines arrived on time 79% of the time on this route; Southwest Airlines managed 56%.

Keep a backup plan handy.

This route was cancelled 3.7% of the time. Typical for U.S. flights is around 1–2%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon67%(196 flights)
  • Tue74%(200 flights)
  • Wed73%(203 flights)
  • Thu72%(196 flights)
  • Fri71%(207 flights)
  • Sat80%(148 flights)
  • Sun63%(217 flights)
On-time by departure window
  • 6–9 AM90%(355 flights)
  • 9 AM–12 PM74%(213 flights)
  • 12–3 PM65%(156 flights)
  • 3–6 PM60%(598 flights)
  • 6–9 PM76%(41 flights)
  • 9 PM–12 AM(4 flights)
On-time trend by month
66%
May

Jun 57% → May 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202557%114
July 202563%112
August 202578%117
September 202585%116
October 202573%116
November 202569%112
December 202553%113
January 202684%106
February 202685%110
March 202672%115
April 202671%117
May 202666%119

Based on 1,423 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.