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WanderNerd

Flight Reliability

WN 2153 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2153 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

77%
Arrive within 15 minutes
7 min
Average arrival delay
0.5%
Cancelled
2 min early
Median arrival delay

Based on 378 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(52 flights)
  • Tue88%(58 flights)
  • Wed70%(53 flights)
  • Thu67%(51 flights)
  • Fri75%(57 flights)
  • Sat77%(44 flights)
  • Sun82%(50 flights)
On-time by departure window
  • 3–6 AM(7 flights)
  • 6–9 AM97%(29 flights)
  • 9 AM–12 PM78%(73 flights)
  • 12–3 PM82%(85 flights)
  • 3–6 PM79%(56 flights)
  • 6–9 PM62%(89 flights)
  • 9 PM–12 AM81%(26 flights)
On-time trend by month
81%
May

Jun 90% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%29
July 202570%27
August 202575%47
September 202585%48
October 202580%46
November 202556%18
December 202587%15
January 202692%12
February 202678%36
March 202663%27
April 202669%29
May 202681%31
Departures on time
71%
Diverted
2.9%
Flights flown
365
Months covered
12

Based on 378 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.