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Flight Reliability

WN 915 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 915 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
11 min
Average arrival delay
1.2%
Cancelled
3 min early
Median arrival delay

Based on 407 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(81 flights)
  • Tue75%(32 flights)
  • Wed75%(32 flights)
  • Thu67%(85 flights)
  • Fri69%(85 flights)
  • Sat59%(29 flights)
  • Sun75%(57 flights)
On-time by departure window
  • 3–6 AM91%(22 flights)
  • 6–9 AM83%(100 flights)
  • 9 AM–12 PM—(9 flights)
  • 12–3 PM71%(86 flights)
  • 3–6 PM52%(111 flights)
  • 6–9 PM70%(73 flights)
On-time trend by month
69%
May

Jun 52% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202552%46
July 202573%44
August 202564%22
September 202565%17
October 202554%26
November 202587%38
December 202575%32
January 202677%31
February 202671%28
March 202697%32
April 202657%37
May 202669%48
Departures on time
71%
Diverted
0.2%
Flights flown
401
Months covered
12

Keep nerding

Based on 407 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.