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Flight Reliability

WN 176 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 176 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
6 min
Average arrival delay
0.3%
Cancelled
5 min early
Median arrival delay

Based on 351 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(51 flights)
  • Tue86%(51 flights)
  • Wed90%(52 flights)
  • Thu71%(52 flights)
  • Fri71%(51 flights)
  • Sat74%(39 flights)
  • Sun79%(53 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM91%(108 flights)
  • 9 AM–12 PM89%(75 flights)
  • 12–3 PM—(2 flights)
  • 3–6 PM74%(82 flights)
  • 6–9 PM60%(40 flights)
  • 9 PM–12 AM51%(41 flights)
On-time trend by month
92%
May

Jun 60% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202561%31
August 202571%31
September 202553%30
October 202571%31
November 202597%30
December 202587%30
January 202690%31
February 202693%28
March 202681%26
April 202692%26
May 202692%25
Departures on time
77%
Diverted
0.3%
Flights flown
349
Months covered
12

Keep nerding

Based on 351 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.