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Flight Reliability

WN 1963 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1963 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

76%
Arrive within 15 minutes
10 min
Average arrival delay
0.8%
Cancelled
3 min early
Median arrival delay

Based on 371 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(51 flights)
  • Tue74%(57 flights)
  • Wed79%(56 flights)
  • Thu75%(52 flights)
  • Fri73%(51 flights)
  • Sat76%(49 flights)
  • Sun79%(52 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM88%(33 flights)
  • 9 AM–12 PM86%(42 flights)
  • 12–3 PM68%(81 flights)
  • 3–6 PM78%(129 flights)
  • 6–9 PM71%(69 flights)
  • 9 PM–12 AM77%(13 flights)
On-time trend by month
55%
May

Jun 89% → May 55% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%18
July 202572%18
August 202582%39
September 202588%43
October 202581%21
November 202590%31
December 202561%31
January 202677%34
February 202680%40
March 202659%32
April 202677%30
May 202655%31
Departures on time
72%
Diverted
0%
Flights flown
368
Months covered
12

Keep nerding

Based on 371 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.