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Flight Reliability

WN 1780 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1780 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

85%
Arrive within 15 minutes
5 min
Average arrival delay
1.3%
Cancelled
3 min early
Median arrival delay

Based on 445 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon89%(70 flights)
  • Tue85%(52 flights)
  • Wed87%(52 flights)
  • Thu84%(73 flights)
  • Fri80%(78 flights)
  • Sat82%(38 flights)
  • Sun89%(71 flights)
On-time by departure window
  • 6–9 AM95%(118 flights)
  • 9 AM–12 PM85%(99 flights)
  • 12–3 PM80%(60 flights)
  • 3–6 PM83%(46 flights)
  • 6–9 PM80%(86 flights)
  • 9 PM–12 AM68%(25 flights)
On-time trend by month
74%
May

Jun 93% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%42
July 202588%48
August 202587%37
September 202592%39
October 202585%27
November 202586%42
December 202596%25
January 202687%31
February 202679%28
March 202674%50
April 202679%34
May 202674%31
Departures on time
79%
Diverted
1.1%
Flights flown
434
Months covered
12

Keep nerding

Based on 445 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.