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WanderNerd

Flight Reliability

WN 1626 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1626 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
8 min
Average arrival delay
1.2%
Cancelled
2 min early
Median arrival delay

Based on 341 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(57 flights)
  • Tue72%(43 flights)
  • Wed77%(44 flights)
  • Thu77%(57 flights)
  • Fri82%(56 flights)
  • Sat85%(34 flights)
  • Sun80%(46 flights)
On-time by departure window
  • 6–9 AM95%(125 flights)
  • 9 AM–12 PM74%(39 flights)
  • 12–3 PM68%(41 flights)
  • 3–6 PM70%(100 flights)
  • 6–9 PM69%(32 flights)
On-time trend by month
68%
May

Jun 88% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%25
July 202595%20
August 202590%30
September 202590%30
October 202570%23
November 202593%29
December 202587%31
January 202669%26
February 202662%26
March 202669%42
April 202677%30
May 202668%25
Departures on time
75%
Diverted
0%
Flights flown
337
Months covered
12

Based on 341 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.