According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Twin Falls, ID (TWF) ranks #268 of 382 tracked US airports by total flights (most flights = #1). Twin Falls, ID posts top-1% on-time performance among the 382 tracked U.S. airports, as a smaller regional airport.
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TWF on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Volume vs. on-time rate
Where Twin Falls, ID sits on volume vs. on-time rate
Among the 382 U.S. airports in the BTS corpus, Twin Falls, ID handles more flight
volume than 30% of them, and has a higher on-time rate than
99% 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.
Twin Falls, ID vs. a 29-airport national peer sample, volume percentile vs. on-time-rate percentile.
Total flights (2020-2025): 8,708 ·
On-time rate: 92.3%
Delay Cause Breakdown
Top delay cause: Carrier.
Total delay minutes36,104 min
Carrier22,230 min · 62%
Weather10,458 min · 29%
NAS (National Aviation System)2,383 min · 7%
Late Aircraft1,033 min · 3%
Security0 min · 0%
Source: U.S. DOT Bureau of Transportation Statistics, On-Time Performance
TWF - seasonal on-time pattern
Best: September (98.2%) · worst: January (94%)
TWF - on-time rate by year
2020–2025, year-over-year trend.
TWF - taxi-out and taxi-in (monthly)
Average taxi-out 12.2 min · taxi-in 3 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
TWF's average taxi-out (12.2 min) stays shorter than the recent U.S. airport mean (~16.4 min). Even the heaviest month (January 2024, 19.7 min) is milder than many hubs' typical book.
Two PlainFlights-derived comparison paths for Twin Falls, 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 Twin Falls, ID is the delay mix: Carrier owns 61.6% of 36,104 delay minutes across 8,708 BTS flights. The on-time headline is 92.3% (13.3 pts above the 79% national average), with 670 delayed and 25 cancelled (0.29%).
Delay minutes concentrate in Carrier (2.9% late-aircraft, 61.6% carrier, 6.6% NAS, 29.0% weather, 0.0% security). As a quieter airport, a single late inbound can swing the month more than at a mega-hub.
On the multi-year calendar, TWF is strongest in September (98.2% on-time) and weakest in January (94%), a 4.2-point swing. Volume peaks in October (~135 flights/month). The busiest connecting route is to SLC (Salt Lake City) at 92.9% on-time. Field definitions: on-time performance explained.
Twin Falls, ID vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
92.3%Top 1%higher than 99% of 382 airports
Twin Falls, 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.
TWF'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 TWF before you book a connection. See top routes →
Travel in September rather than January if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 12.2 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 Twin Falls, ID's on-time rate?
Twin Falls, ID (TWF) has a 92.3% on-time rate across 8,708 BTS-tracked flights (2020-2025), 13.3 pts above the 79% national flight-weighted average; that places it in roughly the top-1% on-time performance.
How does TWF rank among U.S. airports by traffic volume?
Twin Falls, ID ranks #268 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 Twin Falls, ID?
Carrier is the leading delay cause at TWF, accounting for 61.6% of delay minutes. The full breakdown: 2.9% late-aircraft, 61.6% carrier, 6.6% NAS/air-traffic-control, 29.0% weather, and 0.0% security.
When is the best time to fly through Twin Falls, ID?
September is historically TWF's strongest month at 98.2% on-time, while January is the weakest at 94%, a 4.2-point swing across the BTS historical record.