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Flight Reliability

WN 2977 · Southwest Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and WN 2977 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
8 min
Average arrival delay
1.1%
Cancelled
3 min early
Median arrival delay

Based on 467 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(75 flights)
  • Tue92%(59 flights)
  • Wed84%(61 flights)
  • Thu78%(74 flights)
  • Fri72%(75 flights)
  • Sat88%(56 flights)
  • Sun75%(59 flights)
On-time by departure window
  • 3–6 AM—(9 flights)
  • 6–9 AM96%(111 flights)
  • 9 AM–12 PM91%(44 flights)
  • 12–3 PM73%(172 flights)
  • 3–6 PM64%(69 flights)
  • 6–9 PM78%(54 flights)
On-time trend by month
88%
May

Jun 95% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202595%19
July 2025100%18
August 202583%76
September 202573%86
October 202581%32
November 202573%26
December 202562%29
January 202694%33
February 202697%29
March 202650%30
April 202677%39
May 202688%42
Departures on time
77%
Diverted
0.6%
Flights flown
459
Months covered
12

Keep nerding

Based on 467 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.