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Flight Reliability

WN 345 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 345 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

79%
Arrive within 15 minutes
3 min
Average arrival delay
1.0%
Cancelled
5 min early
Median arrival delay

Based on 385 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(55 flights)
  • Tue87%(54 flights)
  • Wed84%(56 flights)
  • Thu73%(56 flights)
  • Fri69%(52 flights)
  • Sat82%(56 flights)
  • Sun81%(52 flights)
On-time by departure window
  • 3–6 AM93%(15 flights)
  • 6–9 AM98%(43 flights)
  • 9 AM–12 PM83%(64 flights)
  • 12–3 PM83%(100 flights)
  • 3–6 PM60%(65 flights)
  • 6–9 PM73%(94 flights)
On-time trend by month
90%
May

Jun 79% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%24
July 202567%21
August 202573%26
September 202572%25
October 202590%39
November 202581%37
December 202561%43
January 202684%31
February 202689%28
March 202653%30
April 202697%36
May 202690%41
Departures on time
75%
Diverted
0%
Flights flown
381
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.