Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 590 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 590 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

90%
Arrive within 15 minutes
5 min early
Average arrival delay
0.8%
Cancelled
10 min early
Median arrival delay

Based on 380 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(55 flights)
  • Tue91%(55 flights)
  • Wed90%(59 flights)
  • Thu95%(59 flights)
  • Fri91%(57 flights)
  • Sat86%(43 flights)
  • Sun85%(48 flights)
On-time by departure window
  • 3–6 AM100%(11 flights)
  • 6–9 AM97%(165 flights)
  • 9 AM–12 PM91%(133 flights)
  • 12–3 PM74%(42 flights)
  • 3–6 PM60%(25 flights)
On-time trend by month
100%
May

Jun 78% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%27
July 202571%31
August 202596%28
September 2025100%26
October 202581%31
November 202591%35
December 202593%43
January 202689%26
February 2026100%22
March 202688%49
April 202697%32
May 2026100%26
Departures on time
87%
Diverted
0.3%
Flights flown
376
Months covered
12

Keep nerding

Based on 380 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.