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WanderNerd

Flight Reliability

WN 993 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 993 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

78%
Arrive within 15 minutes
6 min
Average arrival delay
1.2%
Cancelled
2 min early
Median arrival delay

Based on 329 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(46 flights)
  • Tue85%(47 flights)
  • Wed75%(44 flights)
  • Thu77%(43 flights)
  • Fri69%(48 flights)
  • Sat80%(51 flights)
  • Sun80%(45 flights)
On-time by departure window
  • 6–9 AM93%(72 flights)
  • 9 AM–12 PM86%(79 flights)
  • 12–3 PM67%(102 flights)
  • 3–6 PM72%(53 flights)
  • 6–9 PM72%(18 flights)
On-time trend by month
94%
May

Jun 60% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202560%30
August 202593%28
September 202596%26
October 202582%28
November 202575%32
December 202570%40
January 2026100%10
February 202679%24
March 202681%37
April 202676%21
May 202694%18
Departures on time
75%
Diverted
0.3%
Flights flown
324
Months covered
12

Based on 329 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.