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Airport · TWF · Twin Falls, Idaho

Twin Falls, ID

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.

Data updated 2026-06-13

92.3%
On-time
Top 1%
on-time, US airports
103 min
Delay when late
0.29%
Cancelled
#268 of 382
Corpus placement
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TWF on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%92.3%

Delay Cause Breakdown

Top delay cause: Carrier. Total delay minutes: 36,104.

Late Aircraft 2.9% (1,033 min)
Carrier 61.6% (22,230 min)
NAS (National Aviation System) 6.6% (2,383 min)
Weather 29.0% (10,458 min)
Security 0.0% (0 min)

TWF - seasonal on-time pattern

Best: September (98.2%) · worst: January (94%)

93%94%95%96%97%98%99% JanFebMarAprMayJunJulAugSepOctNovDec 96%

TWF - on-time rate by year

2020–2025, year-over-year trend.

94%95%96%97%98%99% 202020212022202320242025 96.6% 97.6% ▲ +1.0%

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).

5 min10 min15 min20 min25 min Jan 24Dec 25 19.7 min 11.2 min ▼ -43.1%

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.

Cancellation & Diversion Analysis

Flight disruption statistics for Twin Falls, ID.

Cancellation Rate

0.29%

25 of 8,708 flights

Diversion Rate

0.07%

6 of 8,708 flights

Delay Rate

7.7%

670 of 8,708 flights

Top Routes from TWF

Busiest routes to and from Twin Falls, ID.

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Route Flights On-Time Distance
TWF (Twin Falls) → SLC (Salt Lake City) 4,062 92.9% 175 mi
SLC (Salt Lake City) → TWF (Twin Falls) 4,004 91.6% 175 mi

Nationwide peers by on-time rate & flight volume

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.

Similar on-time rate

Nearest out-of-state BTS on-time rate (this airport: 92.3%).

Cedar City, UT

Cedar City, UT

92% on-time 7,071 flights

New Haven, CT

New Haven, CT

92.9% on-time 1,204 flights

Butte, MT

Butte, MT

91% on-time 8,024 flights

Elko, NV

Elko, NV

93.6% on-time 5,662 flights

Similar flight volume

Nearest out-of-state total flights (this airport: 8,708).

Hancock/Houghton, MI

Hancock/Houghton, MI

8,698 flights 80.8% on-time

Petersburg, AK

Petersburg, AK

8,696 flights 85.4% on-time

Wrangell, AK

Wrangell, AK

8,696 flights 84.9% on-time

Yakutat, AK

Yakutat, AK

8,692 flights 85.4% on-time

Other Airports in Idaho

Compare performance with other Idaho airports.

BOI 85.2%

Boise, ID

Boise · 266,753 flights
IDA 84.4%

Idaho Falls, ID

Idaho Falls · 43,233 flights
SUN 88.6%

Sun Valley/Hailey/Ketchum, ID

Sun Valley/Hailey/Ketchum · 22,928 flights
LWS 89.7%

Lewiston, ID

Lewiston · 10,808 flights
PIH 93.7%

Pocatello, ID

Pocatello · 7,786 flights

TWF delay-share reading

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.

Statewide aggregates for Idaho: Idaho flight data.

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.

Read our methodology - how this data is sourced, computed, and verified.

Using TWF's data

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.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.