Skip to content
WanderNerd

Flight Reliability

WN 1404 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1404 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

81%
Arrive within 15 minutes
7 min
Average arrival delay
0.2%
Cancelled
6 min early
Median arrival delay

Based on 401 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(65 flights)
  • Tue82%(45 flights)
  • Wed78%(45 flights)
  • Thu76%(67 flights)
  • Fri81%(64 flights)
  • Sat86%(64 flights)
  • Sun78%(50 flights)
On-time by departure window
  • 3–6 AM93%(15 flights)
  • 6–9 AM73%(11 flights)
  • 9 AM–12 PM94%(48 flights)
  • 12–3 PM86%(104 flights)
  • 3–6 PM75%(199 flights)
  • 6–9 PM78%(23 flights)
On-time trend by month
56%
May

Jun 93% → May 56% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%41
July 202586%42
August 202588%25
September 202586%21
October 202588%34
November 202574%39
December 202581%26
January 202683%35
February 202678%36
March 202688%32
April 202676%33
May 202656%36
Departures on time
74%
Diverted
0%
Flights flown
400
Months covered
12

Based on 401 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.