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Flight Reliability

WN 2455 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2455 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

80%
Arrive within 15 minutes
7 min
Average arrival delay
0.7%
Cancelled
2 min early
Median arrival delay

Based on 442 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(60 flights)
  • Tue91%(54 flights)
  • Wed81%(53 flights)
  • Thu85%(54 flights)
  • Fri82%(60 flights)
  • Sat71%(49 flights)
  • Sun76%(108 flights)
On-time by departure window
  • 3–6 AM—(9 flights)
  • 6–9 AM86%(51 flights)
  • 9 AM–12 PM75%(12 flights)
  • 12–3 PM82%(141 flights)
  • 3–6 PM83%(114 flights)
  • 6–9 PM75%(79 flights)
  • 9 PM–12 AM66%(32 flights)
On-time trend by month
94%
May

Jun 64% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%50
July 202582%50
August 202569%36
September 202577%30
October 202596%26
November 202594%53
December 202564%50
January 202686%35
February 202678%18
March 202683%29
April 202690%30
May 202694%31
Departures on time
74%
Diverted
0.2%
Flights flown
438
Months covered
12

Keep nerding

Based on 442 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.