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Airport Reliability

SUN · Sun Valley/Hailey/Ketchum

Sun Valley/Hailey/Ketchum, ID (SUN)

86%
Departures within 15 minutes
9 min
Average departure delay
86%
Arrivals within 15 minutes
1.3%
Departures cancelled

Based on 3,141 departures and 3,141 arrivals. Data through May 2026.

What the data says

The 3–6 PM departure wins.

Departures from SUN departing between 3–6 PM arrived on time 94% of the time, versus 80% between 9 AM–12 PM.

Sunday scaries are real for this one.

Departures from SUN arrived on time 90% of the time on Tuesdays. On Sundays: 83%.

Ticking up lately.

Departures from SUN arrived on time 88% of the time over the last three months in the data, compared with 82% in the three months before that.

When SUN gets messy

On-time by departure window
  • 6–9 AM88%(949 flights)
  • 9 AM–12 PM80%(309 flights)
  • 12–3 PM81%(1245 flights)
  • 3–6 PM94%(481 flights)
  • 6–9 PM87%(106 flights)
On-time by weekday
  • Mon87%(419 flights)
  • Tue90%(391 flights)
  • Wed85%(406 flights)
  • Thu83%(393 flights)
  • Fri84%(458 flights)
  • Sat86%(504 flights)
  • Sun83%(519 flights)
On-time trend by month
90%
May

Jun 82% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202582%215
July 202581%282
August 202587%277
September 202588%213
October 202590%181
November 202596%131
December 202580%300
January 202684%386
February 202682%365
March 202686%411
April 202688%178
May 202690%151

Airlines departing SUN

Busiest routes from SUN

Based on 3,141 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.