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WanderNerd

Flight Reliability

WN 2729 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2729 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

74%
Arrive within 15 minutes
15 min
Average arrival delay
0.7%
Cancelled
0 min
Median arrival delay

Based on 429 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(77 flights)
  • Tue82%(44 flights)
  • Wed77%(43 flights)
  • Thu68%(77 flights)
  • Fri70%(77 flights)
  • Sat77%(51 flights)
  • Sun73%(55 flights)
On-time by departure window
  • 3–6 AM100%(14 flights)
  • 6–9 AM92%(79 flights)
  • 9 AM–12 PM82%(33 flights)
  • 12–3 PM68%(98 flights)
  • 3–6 PM62%(132 flights)
  • 6–9 PM78%(46 flights)
  • 9 PM–12 AM68%(22 flights)
On-time trend by month
60%
Mar

Jun 63% → Mar 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%73
July 202564%78
August 202578%55
September 202593%55
October 202585%46
November 202573%30
December 202575%32
January 202662%13
February 202677%22
March 202660%10
Departures on time
68%
Diverted
0.5%
Flights flown
424
Months covered
12

Based on 429 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.