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Flight Reliability

WN 2957 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2957 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
11 min
Average arrival delay
0.3%
Cancelled
4 min early
Median arrival delay

Based on 292 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(40 flights)
  • Tue85%(47 flights)
  • Wed84%(50 flights)
  • Thu67%(43 flights)
  • Fri68%(40 flights)
  • Sat79%(34 flights)
  • Sun65%(37 flights)
On-time by departure window
  • 3–6 AM98%(49 flights)
  • 6–9 AM92%(52 flights)
  • 9 AM–12 PM78%(76 flights)
  • 12–3 PM35%(26 flights)
  • 3–6 PM78%(32 flights)
  • 6–9 PM53%(30 flights)
  • 9 PM–12 AM58%(26 flights)
On-time trend by month
49%
May

Jun 81% → May 49% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%31
July 202575%36
October 202589%26
November 202526%23
December 202561%18
January 202692%24
February 202696%24
March 202697%30
April 202682%33
May 202649%35
Departures on time
72%
Diverted
0%
Flights flown
291
Months covered
12

Keep nerding

Based on 292 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.