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Flight Reliability

WN 1088 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1088 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

81%
Arrive within 15 minutes
4 min
Average arrival delay
0.3%
Cancelled
7 min early
Median arrival delay

Based on 334 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(46 flights)
  • Tue94%(50 flights)
  • Wed89%(52 flights)
  • Thu91%(45 flights)
  • Fri70%(47 flights)
  • Sat74%(43 flights)
  • Sun71%(49 flights)
On-time by departure window
  • 3–6 AM90%(40 flights)
  • 6–9 AM93%(116 flights)
  • 9 AM–12 PM92%(24 flights)
  • 12–3 PM81%(58 flights)
  • 3–6 PM58%(19 flights)
  • 6–9 PM61%(75 flights)
On-time trend by month
81%
May

Jun 80% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%20
July 202572%18
August 202569%29
September 202553%30
October 202597%31
November 202586%29
December 202574%31
January 202682%22
February 202681%16
March 202695%42
April 202694%33
May 202681%31
Departures on time
80%
Diverted
0.3%
Flights flown
332
Months covered
12

Keep nerding

Based on 334 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.