Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 1797 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1797 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

75%
Arrive within 15 minutes
11 min
Average arrival delay
1.4%
Cancelled
2 min early
Median arrival delay

Based on 370 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(42 flights)
  • Tue84%(70 flights)
  • Wed64%(72 flights)
  • Thu70%(43 flights)
  • Fri88%(40 flights)
  • Sat58%(43 flights)
  • Sun84%(55 flights)
On-time by departure window
  • 6–9 AM94%(113 flights)
  • 9 AM–12 PM73%(79 flights)
  • 12–3 PM78%(51 flights)
  • 3–6 PM52%(58 flights)
  • 6–9 PM56%(57 flights)
  • 9 PM–12 AM—(7 flights)
On-time trend by month
58%
May

Jun 54% → May 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202554%28
July 202574%27
August 202556%18
September 202577%17
November 202569%35
December 202591%43
January 2026100%32
February 202696%28
March 202685%34
April 202666%50
May 202658%52
Departures on time
71%
Diverted
0%
Flights flown
365
Months covered
12

Keep nerding

Based on 370 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.