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Flight Reliability

WN 1270 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 1270 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
6 min
Average arrival delay
0.5%
Cancelled
4 min early
Median arrival delay

Based on 383 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(56 flights)
  • Tue81%(47 flights)
  • Wed87%(46 flights)
  • Thu73%(55 flights)
  • Fri88%(56 flights)
  • Sat86%(49 flights)
  • Sun73%(66 flights)
On-time by departure window
  • 3–6 AM—(8 flights)
  • 6–9 AM95%(141 flights)
  • 9 AM–12 PM81%(80 flights)
  • 12–3 PM55%(75 flights)
  • 3–6 PM77%(39 flights)
  • 6–9 PM77%(17 flights)
  • 9 PM–12 AM53%(15 flights)
On-time trend by month
94%
May

Jun 59% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%46
July 202569%51
August 202592%39
September 202597%34
November 202587%30
December 202585%33
January 202693%27
February 202659%27
March 202663%27
April 202690%29
May 202694%31
Departures on time
74%
Diverted
1.6%
Flights flown
375
Months covered
12

Keep nerding

Based on 383 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.