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WanderNerd

Flight Reliability

WN 2177 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2177 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

80%
Arrive within 15 minutes
4 min
Average arrival delay
0%
Cancelled
5 min early
Median arrival delay

Based on 356 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(48 flights)
  • Tue85%(53 flights)
  • Wed82%(55 flights)
  • Thu71%(49 flights)
  • Fri87%(47 flights)
  • Sat75%(52 flights)
  • Sun84%(51 flights)
On-time by departure window
  • 3–6 AM100%(11 flights)
  • 6–9 AM96%(82 flights)
  • 9 AM–12 PM90%(117 flights)
  • 12–3 PM67%(42 flights)
  • 3–6 PM69%(36 flights)
  • 6–9 PM55%(58 flights)
  • 9 PM–12 AM(9 flights)
On-time trend by month
75%
Apr

Jun 63% → Apr 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%32
July 202553%36
August 202594%33
September 202597%34
October 202591%22
November 202586%51
December 202561%49
January 202682%28
February 2026100%20
March 202690%30
April 202675%12
Departures on time
78%
Diverted
0.3%
Flights flown
355
Months covered
12

Based on 356 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.