According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), West Yellowstone, MT (WYS) ranks #342 of 382 tracked US airports by total flights (most flights = #1). West Yellowstone, MT posts top-quartile on-time performance among the 382 tracked U.S. airports, as a smaller regional airport.
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WYS on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Volume vs. on-time rate
Where West Yellowstone, MT sits on volume vs. on-time rate
Among the 382 U.S. airports in the BTS corpus, West Yellowstone, MT handles more flight
volume than 10% of them, and has a higher on-time rate than
89% 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.
West Yellowstone, MT vs. a 29-airport national peer sample, volume percentile vs. on-time-rate percentile.
Total flights (2020-2025): 3,872 ·
On-time rate: 87.9%
Delay Cause Breakdown
Top delay cause: Carrier.
Total delay minutes35,056 min
Carrier19,418 min · 55%
Weather8,016 min · 23%
Late Aircraft3,822 min · 11%
NAS (National Aviation System)3,780 min · 11%
Security20 min · 0%
Source: U.S. DOT Bureau of Transportation Statistics, On-Time Performance
WYS - seasonal on-time pattern
Best: October (97.4%) · worst: July (92.4%)
WYS - on-time rate by year
2020–2025, year-over-year trend.
WYS - taxi-out and taxi-in (monthly)
Average taxi-out 14.2 min · taxi-in 4.5 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
WYS's average taxi-out (14.2 min) sits near the recent U.S. airport mean (~16.4 min). Month-to-month, it swings from 9.9 min (October 2022) to 17.8 min (June 2025).
Cancellation & Diversion Analysis
Flight disruption statistics for West Yellowstone, MT.
Two PlainFlights-derived comparison paths for West Yellowstone, MT, both outside Montana 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 West Yellowstone, MT is the delay mix: Carrier owns 55.4% of 35,056 delay minutes across 3,872 BTS flights. The on-time headline is 87.9% (8.9 pts above the 79% national average), with 469 delayed and 16 cancelled (0.41%).
Delay minutes concentrate in Carrier (10.9% late-aircraft, 55.4% carrier, 10.8% NAS, 22.9% weather, 0.1% security). As a quieter airport, a single late inbound can swing the month more than at a mega-hub.
On the multi-year calendar, WYS is strongest in October (97.4% on-time) and weakest in July (92.4%), a 5.0-point swing. Volume peaks in July (~151 flights/month). The busiest connecting route is to SLC (Salt Lake City) at 89.7% on-time. Field definitions: on-time performance explained.
West Yellowstone, MT vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
87.9%Top 11%higher than 89% of 382 airports
West Yellowstone, MT
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.
WYS'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 WYS before you book a connection. See top routes →
Travel in October rather than July if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 14.2 min here; check the monthly series before a tight connection. 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 West Yellowstone, MT's on-time rate?
West Yellowstone, MT (WYS) has a 87.9% on-time rate across 3,872 BTS-tracked flights (2020-2025), 8.9 pts above the 79% national flight-weighted average; that places it in roughly the top-quartile on-time performance.
How does WYS rank among U.S. airports by traffic volume?
West Yellowstone, MT ranks #342 of 382 tracked US airports by total BTS flights (most flights = #1), making it a smaller regional airport.
What's the most common cause of delays at West Yellowstone, MT?
Carrier is the leading delay cause at WYS, accounting for 55.4% of delay minutes. The full breakdown: 10.9% late-aircraft, 55.4% carrier, 10.8% NAS/air-traffic-control, 22.9% weather, and 0.1% security.
When is the best time to fly through West Yellowstone, MT?
October is historically WYS's strongest month at 97.4% on-time, while July is the weakest at 92.4%, a 5.0-point swing across the BTS historical record.