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WanderNerd

Flight Reliability

WN 2817 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2817 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

74%
Arrive within 15 minutes
6 min
Average arrival delay
0.5%
Cancelled
1 min early
Median arrival delay

Based on 389 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(67 flights)
  • Tue84%(51 flights)
  • Wed88%(48 flights)
  • Thu68%(63 flights)
  • Fri67%(61 flights)
  • Sat66%(44 flights)
  • Sun67%(52 flights)
On-time by departure window
  • 3–6 AM92%(24 flights)
  • 6–9 AM84%(68 flights)
  • 9 AM–12 PM85%(34 flights)
  • 12–3 PM69%(83 flights)
  • 3–6 PM68%(66 flights)
  • 6–9 PM68%(111 flights)
On-time trend by month
93%
Mar

Jun 67% → Mar 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%30
July 202573%30
August 202583%41
September 202574%43
October 202568%82
November 202575%32
December 202575%40
January 202678%27
February 202665%20
March 202693%29
Departures on time
70%
Diverted
0.3%
Flights flown
386
Months covered
12

Based on 389 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.