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WanderNerd

Flight Reliability

WN 1594 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1594 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

85%
Arrive within 15 minutes
3 min
Average arrival delay
0%
Cancelled
5 min early
Median arrival delay

Based on 394 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(60 flights)
  • Tue88%(40 flights)
  • Wed90%(40 flights)
  • Thu83%(59 flights)
  • Fri81%(58 flights)
  • Sat89%(70 flights)
  • Sun88%(65 flights)
On-time by departure window
  • 3–6 AM(9 flights)
  • 6–9 AM95%(58 flights)
  • 9 AM–12 PM87%(148 flights)
  • 12–3 PM83%(78 flights)
  • 3–6 PM68%(25 flights)
  • 6–9 PM94%(47 flights)
  • 9 PM–12 AM52%(27 flights)
On-time trend by month
58%
May

Jun 92% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%36
July 202591%33
August 202589%47
September 202583%42
October 202592%38
November 202583%30
December 202580%30
January 202690%31
February 202679%28
March 202687%31
April 202682%22
May 202658%24
Departures on time
82%
Diverted
0.5%
Flights flown
392
Months covered
12

Based on 394 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.