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Flight Reliability

WN 1841 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1841 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

84%
Arrive within 15 minutes
1 min early
Average arrival delay
0.7%
Cancelled
7 min early
Median arrival delay

Based on 410 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon88%(57 flights)
  • Tue85%(52 flights)
  • Wed92%(50 flights)
  • Thu84%(57 flights)
  • Fri89%(56 flights)
  • Sat73%(64 flights)
  • Sun78%(71 flights)
On-time by departure window
  • 3–6 AM95%(64 flights)
  • 6–9 AM89%(84 flights)
  • 9 AM–12 PM91%(77 flights)
  • 12–3 PM80%(65 flights)
  • 3–6 PM70%(20 flights)
  • 6–9 PM68%(72 flights)
  • 9 PM–12 AM76%(25 flights)
On-time trend by month
78%
May

Jun 90% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202586%28
August 202593%30
September 202590%30
October 202577%31
November 202586%29
December 202577%30
January 202663%27
February 202674%27
March 202693%67
April 202683%42
May 202678%36
Departures on time
81%
Diverted
0%
Flights flown
407
Months covered
12

Keep nerding

Based on 410 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.