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WanderNerd

Flight Reliability

WN 1880 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1880 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

78%
Arrive within 15 minutes
10 min
Average arrival delay
1.3%
Cancelled
5 min early
Median arrival delay

Based on 396 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(65 flights)
  • Tue78%(55 flights)
  • Wed82%(54 flights)
  • Thu65%(65 flights)
  • Fri83%(59 flights)
  • Sat83%(46 flights)
  • Sun76%(46 flights)
On-time by departure window
  • 3–6 AM(7 flights)
  • 6–9 AM94%(125 flights)
  • 9 AM–12 PM82%(54 flights)
  • 12–3 PM60%(70 flights)
  • 3–6 PM74%(90 flights)
  • 6–9 PM70%(27 flights)
  • 9 PM–12 AM35%(17 flights)
On-time trend by month
98%
May

Jun 69% → May 98% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%26
July 202561%23
August 202589%28
September 202580%30
October 202558%38
November 202567%39
December 202573%45
January 202691%21
February 202675%28
March 202670%30
April 202698%40
May 202698%42
Departures on time
75%
Diverted
0.3%
Flights flown
390
Months covered
12

Based on 396 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.