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Flight Reliability

WN 457 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 457 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

76%
Arrive within 15 minutes
8 min
Average arrival delay
0.3%
Cancelled
2 min early
Median arrival delay

Based on 390 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon72%(61 flights)
  • Tue81%(52 flights)
  • Wed79%(52 flights)
  • Thu76%(59 flights)
  • Fri83%(57 flights)
  • Sat82%(54 flights)
  • Sun59%(53 flights)
On-time by departure window
  • 6–9 AM92%(99 flights)
  • 9 AM–12 PM79%(57 flights)
  • 12–3 PM57%(23 flights)
  • 3–6 PM70%(79 flights)
  • 6–9 PM75%(87 flights)
  • 9 PM–12 AM58%(43 flights)
On-time trend by month
50%
May

Jun 89% → May 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%36
July 202585%34
August 202577%22
September 202577%17
October 202586%35
November 202572%29
December 202579%29
January 202671%31
February 202682%28
March 202667%67
April 202675%36
May 202650%24
Departures on time
73%
Diverted
0.3%
Flights flown
388
Months covered
12

Keep nerding

Based on 390 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.