Skip to content
WanderNerd
Check a flight

Flight Reliability

WN 1383 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1383 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
5 min
Average arrival delay
0.9%
Cancelled
6 min early
Median arrival delay

Based on 467 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(71 flights)
  • Tue76%(67 flights)
  • Wed81%(68 flights)
  • Thu80%(75 flights)
  • Fri73%(73 flights)
  • Sat84%(56 flights)
  • Sun94%(52 flights)
On-time by departure window
  • 3–6 AM97%(33 flights)
  • 6–9 AM82%(49 flights)
  • 9 AM–12 PM93%(102 flights)
  • 12–3 PM76%(147 flights)
  • 3–6 PM63%(64 flights)
  • 6–9 PM78%(67 flights)
On-time trend by month
82%
May

Jun 86% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%28
July 202594%31
August 202597%30
September 202587%30
October 202566%59
November 202577%31
December 202545%31
January 202687%45
February 202673%44
March 202679%34
April 202694%48
May 202682%51
Departures on time
75%
Diverted
0.2%
Flights flown
462
Months covered
12

Keep nerding

Based on 467 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.