SUN to PHX flight delays & on-time performance
Nonstop flights from Friedman Memorial Airport to Phoenix Sky Harbor International Airport · 705 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SUN or PHX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Sun Valley/Hailey/Ketchum (SUN) to Phoenix (PHX) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 8.2% were cancelled, and 16% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 7am did best (84% on time); around 8am did worst (71%).
- Saturday was the most reliable day to fly (87% on time) and Monday the least (73%).
- The largest source of delay minutes was extreme weather (50%).
Which airline is most on time from SUN to PHX?
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. | 78% | 8.2% | 47 min | 15.9% | 97 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am84%53 flights
- 8am71%44 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%6.3% cancelled
- Tuesday83%13.3% cancelled
- Wednesday57%22.2% cancelled
- Thursday67%0.0% cancelled
- Friday80%6.3% cancelled
- Saturday87%6.3% cancelled
- Sunday87%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.
- Extreme weather50%
- Airline (crew, maintenance, cleaning, fueling)46%
- Air traffic control & airport congestion4%
- Late-arriving aircraft0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather88%
- Airline (crew, maintenance, cleaning, fueling)13%
- Air traffic control & airport congestion0%
- Security0%
SUN to PHX: common questions
- How often are SUN to PHX flights on time?
- 78% 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 Sun Valley/Hailey/Ketchum to Phoenix cancelled?
- 8.2% of scheduled flights were cancelled (8 of 97).
- How long are typical delays?
- Across all flights the average arrival delay was 47 min (early arrivals count as zero). Flights that were late arrived 214 min behind schedule on average, and 15.9% of flights were an hour or more late.
- How long is taxi time at SUN?
- Flights on this route spent 26 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PHX to SUN — 77% on time
More flights from 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: SUN → PHX, nonstop flights by US airlines that report to the DOT. How we calculate this.