Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 1959 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1959 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
3 min
Average arrival delay
0.9%
Cancelled
7 min early
Median arrival delay

Based on 461 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(69 flights)
  • Tue83%(70 flights)
  • Wed87%(71 flights)
  • Thu84%(69 flights)
  • Fri82%(67 flights)
  • Sat77%(68 flights)
  • Sun63%(43 flights)
On-time by departure window
  • 3–6 AM100%(24 flights)
  • 6–9 AM98%(44 flights)
  • 9 AM–12 PM88%(177 flights)
  • 12–3 PM83%(124 flights)
  • 3–6 PM47%(45 flights)
  • 6–9 PM61%(43 flights)
On-time trend by month
48%
May

Jun 90% → May 48% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%48
July 202594%52
August 202589%52
September 202590%52
October 202591%43
November 202563%30
December 202588%33
January 202687%31
February 202689%28
March 202644%27
April 202670%30
May 202648%31
Departures on time
82%
Diverted
0%
Flights flown
457
Months covered
12

Keep nerding

Based on 461 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.