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WanderNerd

Flight Reliability

WN 1883 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1883 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

81%
Arrive within 15 minutes
8 min
Average arrival delay
0.8%
Cancelled
2 min early
Median arrival delay

Based on 386 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(56 flights)
  • Tue87%(53 flights)
  • Wed85%(52 flights)
  • Thu77%(56 flights)
  • Fri80%(54 flights)
  • Sat86%(44 flights)
  • Sun71%(68 flights)
On-time by departure window
  • 6–9 AM97%(34 flights)
  • 9 AM–12 PM96%(68 flights)
  • 12–3 PM74%(140 flights)
  • 3–6 PM74%(27 flights)
  • 6–9 PM81%(85 flights)
  • 9 PM–12 AM66%(29 flights)
On-time trend by month
68%
May

Jun 77% → May 68% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202574%31
August 202582%34
September 202597%34
October 202567%27
November 202580%30
December 202568%31
January 202694%34
February 202679%33
March 202691%32
April 202688%33
May 202668%34
Departures on time
75%
Diverted
0%
Flights flown
383
Months covered
12

Based on 386 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.