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Flight Reliability

WN 1596 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1596 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

86%
Arrive within 15 minutes
2 min
Average arrival delay
1.4%
Cancelled
6 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(49 flights)
  • Tue95%(43 flights)
  • Wed96%(44 flights)
  • Thu89%(52 flights)
  • Fri96%(52 flights)
  • Sat64%(61 flights)
  • Sun85%(52 flights)
On-time by departure window
  • 3–6 AM100%(42 flights)
  • 6–9 AM92%(98 flights)
  • 9 AM–12 PM85%(133 flights)
  • 12–3 PM77%(13 flights)
  • 3–6 PM90%(52 flights)
  • 6–9 PM13%(15 flights)
On-time trend by month
94%
May

Jun 82% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%27
July 202576%25
August 202585%27
September 202596%26
October 202593%27
November 202590%30
December 202597%33
January 2026100%31
February 202668%28
March 202670%37
April 202684%31
May 202694%31
Departures on time
81%
Diverted
0.6%
Flights flown
353
Months covered
12

Keep nerding

Based on 360 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.