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Flight Reliability

WN 1263 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1263 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
3 min
Average arrival delay
1.2%
Cancelled
1 min early
Median arrival delay

Based on 408 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(56 flights)
  • Tue89%(55 flights)
  • Wed89%(56 flights)
  • Thu68%(60 flights)
  • Fri76%(58 flights)
  • Sat86%(50 flights)
  • Sun75%(65 flights)
On-time by departure window
  • 3–6 AM—(3 flights)
  • 6–9 AM89%(124 flights)
  • 9 AM–12 PM81%(59 flights)
  • 12–3 PM75%(94 flights)
  • 3–6 PM76%(112 flights)
  • 6–9 PM—(7 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
90%
May

Jun 69% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%29
July 202584%31
August 202563%51
September 202582%55
October 202569%26
November 202591%11
December 202577%22
January 202687%46
February 202687%37
March 202677%31
April 202697%30
May 202690%31
Departures on time
78%
Diverted
0.7%
Flights flown
400
Months covered
12

Keep nerding

Based on 408 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.