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WanderNerd

Flight Reliability

WN 1860 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1860 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
1.6%
Cancelled
5 min early
Median arrival delay

Based on 381 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(56 flights)
  • Tue87%(61 flights)
  • Wed93%(60 flights)
  • Thu79%(56 flights)
  • Fri76%(53 flights)
  • Sat81%(41 flights)
  • Sun76%(46 flights)
On-time by departure window
  • 3–6 AM94%(33 flights)
  • 6–9 AM88%(40 flights)
  • 9 AM–12 PM87%(77 flights)
  • 12–3 PM76%(79 flights)
  • 3–6 PM88%(69 flights)
  • 6–9 PM72%(65 flights)
  • 9 PM–12 AM70%(10 flights)
On-time trend by month
94%
Mar

Jun 67% → Mar 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%18
July 202578%18
August 202575%73
September 202585%78
October 202578%32
November 202577%26
December 202580%25
January 202690%31
February 202694%33
March 202694%32
Departures on time
77%
Diverted
0.5%
Flights flown
373
Months covered
12

Based on 381 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.