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Flight Reliability

WN 1658 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1658 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
7 min
Average arrival delay
0.5%
Cancelled
6 min early
Median arrival delay

Based on 402 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon76%(55 flights)
  • Tue88%(56 flights)
  • Wed89%(56 flights)
  • Thu86%(55 flights)
  • Fri70%(53 flights)
  • Sat91%(64 flights)
  • Sun62%(61 flights)
On-time by departure window
  • 6–9 AM90%(175 flights)
  • 9 AM–12 PM80%(111 flights)
  • 3–6 PM52%(31 flights)
  • 6–9 PM69%(67 flights)
  • 9 PM–12 AM75%(16 flights)
On-time trend by month
89%
May

Jun 80% → May 89% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%51
July 202586%57
August 202568%40
September 202563%38
October 202580%30
November 202593%27
December 202577%31
January 202687%31
February 202671%28
April 202696%27
May 202689%36
Departures on time
75%
Diverted
0%
Flights flown
400
Months covered
12

Keep nerding

Based on 402 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.