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Flight Reliability

WN 996 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 996 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

71%
Arrive within 15 minutes
12 min
Average arrival delay
0.8%
Cancelled
2 min early
Median arrival delay

Based on 373 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(43 flights)
  • Tue75%(68 flights)
  • Wed71%(66 flights)
  • Thu59%(46 flights)
  • Fri72%(47 flights)
  • Sat77%(43 flights)
  • Sun69%(55 flights)
On-time by departure window
  • 3–6 AM100%(24 flights)
  • 6–9 AM74%(38 flights)
  • 9 AM–12 PM88%(102 flights)
  • 12–3 PM55%(96 flights)
  • 3–6 PM61%(31 flights)
  • 6–9 PM61%(38 flights)
  • 9 PM–12 AM62%(39 flights)
On-time trend by month
29%
May

Jun 76% → May 29% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%37
July 202577%47
August 202569%16
September 202592%13
October 202548%29
November 2025100%28
December 202593%29
January 202697%35
February 202666%55
March 202659%22
April 202650%26
May 202629%31
Departures on time
72%
Diverted
0.5%
Flights flown
368
Months covered
12

Keep nerding

Based on 373 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.