PHX to SUN flight delays & on-time performance
Nonstop flights from Phoenix Sky Harbor International Airport to Friedman Memorial Airport · 705 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PHX or SUN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Phoenix (PHX) to Sun Valley/Hailey/Ketchum (SUN) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 4.1% were cancelled, and 10% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6pm did best (77% on time); around 7pm did worst (74%).
- Monday was the most reliable day to fly (92% on time) and Friday the least (60%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (68%).
Which airline is most on time from PHX to SUN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 77% | 4.1% | 23 min | 9.9% | 97 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6pm77%71 flights
- 7pm74%24 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday92%6.7% cancelled
- Tuesday83%11.1% cancelled
- Wednesday83%0.0% cancelled
- Thursday85%0.0% cancelled
- Friday60%0.0% cancelled
- Saturday73%6.3% cancelled
- Sunday71%6.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)68%
- Late-arriving aircraft27%
- Extreme weather3%
- Air traffic control & airport congestion1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
PHX to SUN: common questions
- How often are PHX to SUN flights on time?
- 77% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Phoenix to Sun Valley/Hailey/Ketchum cancelled?
- 4.1% of scheduled flights were cancelled (4 of 97).
- How long are typical delays?
- Across all flights the average arrival delay was 23 min (early arrivals count as zero). Flights that were late arrived 98 min behind schedule on average, and 9.9% of flights were an hour or more late.
- How long is taxi time at PHX?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SUN to PHX — 78% on time
More flights from Phoenix
More flights to Sun Valley/Hailey/Ketchum
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PHX → SUN, nonstop flights by US airlines that report to the DOT. How we calculate this.