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WanderNerd

Flight Reliability

WN 1890 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1890 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
5 min
Average arrival delay
1.2%
Cancelled
4 min early
Median arrival delay

Based on 432 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(69 flights)
  • Tue84%(55 flights)
  • Wed75%(55 flights)
  • Thu84%(68 flights)
  • Fri69%(65 flights)
  • Sat76%(55 flights)
  • Sun78%(59 flights)
On-time by departure window
  • 6–9 AM88%(50 flights)
  • 9 AM–12 PM77%(120 flights)
  • 12–3 PM76%(80 flights)
  • 3–6 PM80%(44 flights)
  • 6–9 PM74%(104 flights)
  • 9 PM–12 AM93%(28 flights)
On-time trend by month
83%
May

Jun 76% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%33
July 202558%31
August 202585%20
September 202577%17
October 202597%30
November 202589%18
December 202586%29
January 202691%35
February 202674%35
March 202678%58
April 202665%60
May 202683%60
Departures on time
77%
Diverted
0.2%
Flights flown
426
Months covered
12

Based on 432 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.