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Flight Reliability

WN 1743 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1743 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

79%
Arrive within 15 minutes
6 min
Average arrival delay
0.2%
Cancelled
3 min early
Median arrival delay

Based on 492 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(77 flights)
  • Tue86%(69 flights)
  • Wed83%(70 flights)
  • Thu75%(79 flights)
  • Fri84%(81 flights)
  • Sat82%(51 flights)
  • Sun71%(63 flights)
On-time by departure window
  • 6–9 AM92%(104 flights)
  • 9 AM–12 PM84%(120 flights)
  • 12–3 PM78%(122 flights)
  • 3–6 PM64%(66 flights)
  • 6–9 PM67%(78 flights)
On-time trend by month
81%
May

Jun 77% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%57
July 202572%61
August 202579%29
September 202581%26
October 202573%44
November 202581%36
December 202574%46
January 202691%45
February 202687%46
March 202687%38
April 202665%31
May 202681%31
Departures on time
76%
Diverted
0.2%
Flights flown
490
Months covered
12

Keep nerding

Based on 492 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.