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Route Reliability

New Orleans → Houston

MSY–HOU · 303 miles · Louis Armstrong New Orleans International Airport to William P. Hobby Airport

83
Pretty Reliable
WanderNerd Reliability Score
77%
Arrive within 15 minutes
6 min
Average arrival delay
0.6%
Cancelled
2,265
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 77% of the time across 2,265 flights. No comparison to make.

What the data says

Morning flights do better here.

MSY–HOU flights departing between 3–6 AM arrived on time 96% of the time, versus 62% between 6–9 PM.

Sunday scaries are real for this one.

MSY–HOU flights arrived on time 85% of the time on Tuesdays and just 68% on Sundays. That gap is worth planning around.

Recent months have been rougher.

MSY–HOU flights arrived on time 65% of the time over the last three months in the data, compared with 85% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon78%(337 flights)
  • Tue85%(321 flights)
  • Wed81%(324 flights)
  • Thu79%(340 flights)
  • Fri74%(332 flights)
  • Sat75%(258 flights)
  • Sun68%(338 flights)
On-time by departure window
  • 3–6 AM96%(211 flights)
  • 6–9 AM91%(464 flights)
  • 9 AM–12 PM89%(342 flights)
  • 12–3 PM68%(403 flights)
  • 3–6 PM65%(398 flights)
  • 6–9 PM62%(383 flights)
  • 9 PM–12 AM67%(49 flights)
On-time trend by month
63%
May

Jun 65% → May 63% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%179
July 202575%178
August 202581%178
September 202587%176
October 202581%206
November 202586%196
December 202582%190
January 202690%182
February 202684%184
March 202658%197
April 202676%192
May 202663%192

Same trip, other airports

Keep nerding

Based on 2,265 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.