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Route Reliability

New Orleans → Seattle

MSY–SEA · 2,086 miles · Louis Armstrong New Orleans International Airport to Seattle–Tacoma International Airport

76
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
10 min
Average arrival delay
0.8%
Cancelled
626
Flights in the data

Data through May 2026.

Airlines on this route

  • Alaska Airlines71% on time · 621 flights
  • Delta Air Lines100% on time · 5 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

6–9 PM has a slight edge.

Departures between 6–9 PM arrived on time 73% of the time, against 69% between 3–6 PM.

Skip Monday if you can.

MSY–SEA flights arrived on time 78% of the time on Tuesdays. On Mondays: 63%.

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
  • Mon63%(95 flights)
  • Tue78%(82 flights)
  • Wed73%(81 flights)
  • Thu70%(92 flights)
  • Fri70%(91 flights)
  • Sat75%(83 flights)
  • Sun70%(97 flights)
On-time by departure window
  • 6–9 AM72%(281 flights)
  • 3–6 PM69%(186 flights)
  • 6–9 PM73%(154 flights)
On-time trend by month
76%
May

Jun 56% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202556%59
July 202571%61
August 202567%57
September 202579%47
October 202565%52
November 202569%58
December 202569%54
January 202678%36
February 202681%32
March 202661%43
April 202687%60
May 202676%62

Keep nerding

Based on 626 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.