Skip to content
WanderNerd

Flight Reliability

WN 1600 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1600 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

89%
Arrive within 15 minutes
1 min early
Average arrival delay
0.3%
Cancelled
6 min early
Median arrival delay

Based on 393 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(64 flights)
  • Tue84%(49 flights)
  • Wed80%(51 flights)
  • Thu90%(68 flights)
  • Fri92%(64 flights)
  • Sat94%(46 flights)
  • Sun90%(49 flights)
On-time by departure window
  • 3–6 AM100%(13 flights)
  • 6–9 AM90%(130 flights)
  • 9 AM–12 PM97%(95 flights)
  • 12–3 PM84%(113 flights)
  • 3–6 PM69%(16 flights)
  • 6–9 PM75%(24 flights)
On-time trend by month
97%
May

Jun 86% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%42
July 202593%43
August 202593%56
September 202596%55
October 202582%27
November 202596%24
December 202565%20
January 202691%11
February 202678%23
March 202672%29
April 202693%30
May 202697%31
Departures on time
84%
Diverted
0.3%
Flights flown
391
Months covered
12

Based on 393 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.