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Flight Reliability

WN 45 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 45 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

56%
Arrive within 15 minutes
21 min
Average arrival delay
1.1%
Cancelled
9 min
Median arrival delay

Based on 284 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon52%(58 flights)
  • Tue63%(41 flights)
  • Wed63%(40 flights)
  • Thu48%(60 flights)
  • Fri53%(58 flights)
  • Sat65%(23 flights)
  • Sun—(1 flights)
On-time by departure window
  • 9 AM–12 PM50%(24 flights)
  • 12–3 PM73%(30 flights)
  • 3–6 PM53%(196 flights)
  • 6–9 PM65%(31 flights)
On-time trend by month
59%
May

Jun 41% → May 59% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202541%29
July 202543%28
August 202531%36
September 202571%35
October 202565%17
March 202641%37
April 202682%44
May 202659%41
Departures on time
54%
Diverted
0%
Flights flown
281
Months covered
11

Keep nerding

Based on 284 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.