Skip to content
WanderNerd

Flight Reliability

WN 4026 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 4026 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

83%
Arrive within 15 minutes
2 min
Average arrival delay
0.6%
Cancelled
7 min early
Median arrival delay

Based on 332 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(44 flights)
  • Tue83%(48 flights)
  • Wed91%(42 flights)
  • Thu93%(43 flights)
  • Fri74%(50 flights)
  • Sat88%(48 flights)
  • Sun66%(53 flights)
On-time by departure window
  • 3–6 AM97%(38 flights)
  • 6–9 AM93%(61 flights)
  • 9 AM–12 PM80%(73 flights)
  • 12–3 PM85%(67 flights)
  • 3–6 PM70%(66 flights)
  • 6–9 PM70%(23 flights)
On-time trend by month
100%
May

Jun 80% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%25
July 202587%31
August 202584%31
September 202597%29
October 202575%63
December 202596%22
February 202680%20
March 202659%32
April 202683%30
May 2026100%30
Departures on time
78%
Diverted
0.6%
Flights flown
328
Months covered
12

Based on 332 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.