Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 845 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 845 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

67%
Arrive within 15 minutes
14 min
Average arrival delay
0.5%
Cancelled
3 min
Median arrival delay

Based on 429 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon74%(68 flights)
  • Tue76%(62 flights)
  • Wed77%(61 flights)
  • Thu62%(69 flights)
  • Fri59%(69 flights)
  • Sat68%(38 flights)
  • Sun54%(59 flights)
On-time by departure window
  • 6–9 AM50%(56 flights)
  • 9 AM–12 PM78%(152 flights)
  • 12–3 PM61%(36 flights)
  • 3–6 PM75%(76 flights)
  • 6–9 PM58%(106 flights)
On-time trend by month
23%
May

Jun 80% → May 23% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%40
July 202568%40
August 202562%55
September 202577%56
October 202581%31
November 202575%28
December 202583%29
January 202696%28
February 202675%28
March 202642%31
April 202641%29
May 202623%31
Departures on time
63%
Diverted
0.2%
Flights flown
426
Months covered
12

Keep nerding

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.