According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Sun Valley/Hailey/Ketchum, ID (SUN) ranks #196 of 382 tracked US airports by total flights (most flights = #1). Sun Valley/Hailey/Ketchum, ID posts top-10% on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.
Compare SUN to another hub, filter routes, or browse airline stats without leaving this profile.
SUN on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Volume vs. on-time rate
Where Sun Valley/Hailey/Ketchum, ID sits on volume vs. on-time rate
Among the 382 U.S. airports in the BTS corpus, Sun Valley/Hailey/Ketchum, ID handles more flight
volume than 49% of them, and has a higher on-time rate than
93% of them, placing it in the quadrant for quiet and reliable.
Flight volume and on-time rate are independent figures: a busy airport can still run
reliably, and a quiet one can still run late.
Sun Valley/Hailey/Ketchum, ID vs. a 29-airport national peer sample, volume percentile vs. on-time-rate percentile.
Total flights (2020-2025): 22,928 ·
On-time rate: 88.6%
Delay Cause Breakdown
Top delay cause: Carrier.
Total delay minutes160,921 min
Carrier72,449 min · 45%
Weather38,770 min · 24%
Late Aircraft25,095 min · 16%
NAS (National Aviation System)24,405 min · 15%
Security202 min · 0%
Source: U.S. DOT Bureau of Transportation Statistics, On-Time Performance
SUN - seasonal on-time pattern
Best: November (97.7%) · worst: December (90.4%)
SUN - on-time rate by year
2020–2025, year-over-year trend.
SUN - taxi-out and taxi-in (monthly)
Average taxi-out 19.9 min · taxi-in 3.2 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
SUN's average taxi-out (19.9 min) runs longer than the recent U.S. airport mean (~16.4 min). The heaviest month in this window is December 2024 at 26.2 min; the lightest is October 2024 at 15.1 min.
Cancellation & Diversion Analysis
Flight disruption statistics for Sun Valley/Hailey/Ketchum, ID.
Cancellation Rate
1.43%
328 of 22,928 flights
Diversion Rate
0.17%
39 of 22,928 flights
Delay Rate
11.4%
2,622 of 22,928 flights
Top Routes from SUN
Busiest routes to and from Sun Valley/Hailey/Ketchum, ID.
Two PlainFlights-derived comparison paths for Sun Valley/Hailey/Ketchum, ID, both outside Idaho so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.
The standout signal at Sun Valley/Hailey/Ketchum, ID is the delay mix: Carrier owns 45.0% of 160,921 delay minutes across 22,928 BTS flights. The on-time headline is 88.6% (9.6 pts above the 79% national average), with 2,622 delayed and 328 cancelled (1.43%).
Delay minutes concentrate in Carrier (15.6% late-aircraft, 45.0% carrier, 15.2% NAS, 24.1% weather, 0.1% security). Mid-volume books still show a clear delay fingerprint rather than a weather-only story.
On the multi-year calendar, SUN is strongest in November (97.7% on-time) and weakest in December (90.4%), a 7.3-point swing. Volume peaks in January (~456 flights/month). The busiest connecting route is to SLC (Salt Lake City) at 91.7% on-time. Field definitions: on-time performance explained.
Sun Valley/Hailey/Ketchum, ID vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
88.6%Top 7%higher than 93% of 382 airports
Sun Valley/Hailey/Ketchum, ID
60%95%
U.S. airports by on-time rate, bucketed by value
Each bar is a band; taller bars hold more airports. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025).
Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.
SUN's on-time book is stronger than most peers; the remaining risk sits in the delay mix, not a weak headline rate.
Check the busiest route from SUN before you book a connection. See top routes →
Travel in November rather than December if your dates are flexible. Seasonal patterns →
Build extra connection buffer when taxi-out spikes. December 2024 averaged 26.2 min. Taxi times →
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Frequently Asked Questions
What is Sun Valley/Hailey/Ketchum, ID's on-time rate?
Sun Valley/Hailey/Ketchum, ID (SUN) has a 88.6% on-time rate across 22,928 BTS-tracked flights (2020-2025), 9.6 pts above the 79% national flight-weighted average; that places it in roughly the top-10% on-time performance.
How does SUN rank among U.S. airports by traffic volume?
Sun Valley/Hailey/Ketchum, ID ranks #196 of 382 tracked US airports by total BTS flights (most flights = #1), making it a mid-size U.S. airport.
What's the most common cause of delays at Sun Valley/Hailey/Ketchum, ID?
Carrier is the leading delay cause at SUN, accounting for 45.0% of delay minutes. The full breakdown: 15.6% late-aircraft, 45.0% carrier, 15.2% NAS/air-traffic-control, 24.1% weather, and 0.1% security.
When is the best time to fly through Sun Valley/Hailey/Ketchum, ID?
November is historically SUN's strongest month at 97.7% on-time, while December is the weakest at 90.4%, a 7.3-point swing across the BTS historical record.