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Flight Reliability

WN 57 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 57 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

70%
Arrive within 15 minutes
13 min
Average arrival delay
2.1%
Cancelled
1 min
Median arrival delay

Based on 385 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(69 flights)
  • Tue88%(41 flights)
  • Wed64%(33 flights)
  • Thu69%(62 flights)
  • Fri72%(68 flights)
  • Sat100%(14 flights)
  • Sun54%(90 flights)
On-time by departure window
  • 12–3 PM64%(45 flights)
  • 3–6 PM48%(25 flights)
  • 6–9 PM72%(249 flights)
  • 9 PM–12 AM78%(58 flights)
On-time trend by month
36%
May

Jun 62% → May 36% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%13
July 202542%12
August 202569%32
September 202586%35
October 202554%13
November 202565%31
December 202588%48
January 202684%31
February 202689%44
March 202661%76
April 202654%28
May 202636%14
Departures on time
60%
Diverted
0%
Flights flown
377
Months covered
12

Keep nerding

Based on 385 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.