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WanderNerd

Flight Reliability

WN 2403 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2403 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

76%
Arrive within 15 minutes
7 min
Average arrival delay
0.2%
Cancelled
3 min early
Median arrival delay

Based on 405 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(68 flights)
  • Tue85%(53 flights)
  • Wed94%(52 flights)
  • Thu68%(66 flights)
  • Fri65%(66 flights)
  • Sat77%(26 flights)
  • Sun67%(72 flights)
On-time by departure window
  • 6–9 AM90%(87 flights)
  • 9 AM–12 PM81%(82 flights)
  • 12–3 PM93%(29 flights)
  • 3–6 PM80%(10 flights)
  • 6–9 PM64%(132 flights)
  • 9 PM–12 AM70%(63 flights)
On-time trend by month
61%
May

Jun 79% → May 61% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%42
July 202579%42
August 202570%30
September 202550%26
October 202594%34
November 202568%41
December 202577%35
January 202690%38
February 202674%39
March 202679%38
April 202680%20
May 202661%18
Departures on time
70%
Diverted
0.2%
Flights flown
403
Months covered
12

Based on 405 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.