State · ID · 2020–2025 BTS data
Idaho
According to PlainFlights' state traffic ranking (BTS On-Time Performance total flights), Idaho ranks #33 of 53 US states by total flight operations (most flights = #1).
Data updated 2026-06-13
- 85.8%
- On-time
- +6.8 pts
- vs US avg
- 76 min
- Delay when late
- 0.61%
- Cancelled
- #33 of 53
- Corpus placement
State reliability verdict
According to U.S. DOT BTS data, Idaho is a mid-book state: 360,216 operations at 6 airports run 85.8% on-time, 6.8 pts above the 79% U.S. average. Among tracked airports, PIH leads locally at 93.7% on-time.
- 85.8%
- statewide on-time
- +6.8 pts
- vs US average
- 6
- airports tracked
- 0.61%
- cancellation rate
On-time means arrived less than 15 minutes after schedule. Figures are historical BTS averages, not a guarantee for any single flight.
Idaho vs all states by total flight operations
Where this state's BTS On-Time Performance flight count sits among every state with tracked operations (traffic density, not on-time quality)
360,216 Top 62% more flights than 38% of 53 states
States, banded by total BTS-tracked flights
Each bar is a band; taller bars hold more states. 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.
Source BTS On-Time Performance · 2026-06-13
Airports in Idaho
Idaho airports ranked by on-time rate
6 BTS-tracked airports, led by PIH at 93.7%
On-time rate by airport
- PIH
Pocatello, ID: 93.7% on-time, 7,786 flights
94 %
- TWF
Twin Falls, ID: 92.3% on-time, 8,708 flights
92 %
- LWS
Lewiston, ID: 89.7% on-time, 10,808 flights
90 %
- SUN
Sun Valley/Hailey/Ketchum, ID: 88.6% on-time, 22,928 flights
89 %
- BOI
Boise, ID: 85.2% on-time, 266,753 flights
85 %
- IDA
Idaho Falls, ID: 84.4% on-time, 43,233 flights
84 %
What this shows Airports here range from 84.4% to 93.7% on-time.
| Code | Airport | City | Flights | On-Time | Avg Delay (when late) |
|---|---|---|---|---|---|
| BOI | Boise, ID | Boise | 266,753 | 85.2% | 69.4 min |
| IDA | Idaho Falls, ID | Idaho Falls | 43,233 | 84.4% | 96.3 min |
| SUN | Sun Valley/Hailey/Ketchum, ID | Sun Valley/Hailey/Ketchum | 22,928 | 88.6% | 95.5 min |
| LWS | Lewiston, ID | Lewiston | 10,808 | 89.7% | 101.2 min |
| TWF | Twin Falls, ID | Twin Falls | 8,708 | 92.3% | 103.1 min |
| PIH | Pocatello, ID | Pocatello | 7,786 | 93.7% | 106.0 min |
Idaho traffic-scale reading
The standout signal in Idaho is traffic scale: 360,216 BTS flights place it #33 of 53 by book size. That mid-book footprint sits beside a 85.8% on-time rate (6.8 pts above the 79% U.S. average), 51,044 delayed departures, and a 0.61% cancellation rate.
Mid-volume books still show a clear airport fingerprint: Boise, ID (BOI) handles 266,753 flights at 85.2% on-time.
On the recent 24-month tape, delay pressure is lightest in Oct 2024 and heaviest in Jan 2024. On reliability, Pocatello, ID (PIH) posts the highest on-time rate at 93.7% across 7,786 flights. On-time performance explained.
States With a Similar On-Time Rate
Other U.S. states whose statewide on-time rate is closest to Idaho's 85.8%.
Using Idaho's data
Idaho's statewide on-time book is stronger than most peers; remaining risk sits in the busiest airport and delay mix, not a weak headline rate.
- Pocatello, ID (PIH) is the most reliable airport in Idaho among those with meaningful traffic. PIH profile
- Boise, ID handles the most traffic in the state; its performance weighs heavily on the state average. BOI profile
- See how Idaho compares with every other state that has BTS-tracked airports. All states
State averages are flight-weighted across all reporting airports in the state; a single busy airport can dominate the figure.
Read our methodology - how this data is sourced, computed, and verified.
Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025