Friedman Memorial Airport (SUN) delays & on-time performance
Sun Valley/Hailey/Ketchum, Idaho · 7 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SUN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Figures cover 2,745 departures from SUN; on-time is measured at arrival. Arrivals into SUN were on time 85% of the time.
Key facts
- Flights departing Friedman Memorial Airport (SUN) arrived on time 84% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.1% were cancelled, and 8% arrived an hour or more late.
- Departures scheduled around 3pm did best (94% on time); around 8am did worst (67%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (43%).
Most delayed routes from SUN
Lowest on-time arrival rates among regularly flown routes.
- DEN · Denver85%630 flts
- SLC · Salt Lake City94%1,078 flts
Most reliable routes from SUN
Highest on-time arrival rates among regularly flown routes.
- SLC · Salt Lake City94%1,078 flts
- DEN · Denver85%630 flts
Best airline at SUN
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| SkyWest Airlines | 84% | 1.1% | 17 min | 7 | 2,745 |
Best time to fly out of SUN
On-time arrival rate by scheduled departure hour (local time).
- 7am92%743 flts
- 8am67%258 flts
- 10am86%44 flts
- 12pm82%418 flts
- 1pm80%375 flts
- 2pm77%396 flts
- 3pm94%387 flts
- 4pm92%91 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)43%
- Air traffic control & airport congestion26%
- Extreme weather18%
- Late-arriving aircraft13%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.