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WanderNerd

Flight Reliability

WN 1905 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1905 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

69%
Arrive within 15 minutes
13 min
Average arrival delay
1.6%
Cancelled
1 min early
Median arrival delay

Based on 382 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(57 flights)
  • Tue64%(52 flights)
  • Wed74%(49 flights)
  • Thu59%(54 flights)
  • Fri64%(59 flights)
  • Sat77%(61 flights)
  • Sun81%(43 flights)
On-time by departure window
  • 3–6 AM100%(17 flights)
  • 6–9 AM92%(24 flights)
  • 9 AM–12 PM86%(69 flights)
  • 12–3 PM83%(53 flights)
  • 3–6 PM45%(47 flights)
  • 6–9 PM56%(126 flights)
  • 9 PM–12 AM62%(39 flights)
On-time trend by month
54%
May

Jun 60% → May 54% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202542%31
August 202587%30
September 202580%30
October 202561%18
November 202568%28
December 202575%32
January 202687%31
February 202683%24
March 202664%28
April 202671%45
May 202654%48
Departures on time
63%
Diverted
0.3%
Flights flown
375
Months covered
12

Based on 382 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.