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WanderNerd

Flight Reliability

WN 1773 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1773 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
0.9%
Cancelled
5 min early
Median arrival delay

Based on 321 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(43 flights)
  • Tue77%(39 flights)
  • Wed80%(39 flights)
  • Thu76%(42 flights)
  • Fri78%(40 flights)
  • Sat77%(44 flights)
  • Sun81%(70 flights)
On-time by departure window
  • 6–9 AM94%(49 flights)
  • 9 AM–12 PM90%(61 flights)
  • 12–3 PM82%(77 flights)
  • 3–6 PM62%(89 flights)
  • 6–9 PM66%(41 flights)
On-time trend by month
95%
May

Jun 73% → May 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202550%30
August 202564%14
September 202583%12
October 202552%29
November 202568%28
December 202574%31
January 202693%30
February 202697%38
April 202683%30
May 202695%40
Departures on time
77%
Diverted
0.3%
Flights flown
317
Months covered
12

Based on 321 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.