Route · BOI → LAX · 2020–2025 BTS data
Boise to Los Angeles
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BOI to LAX (Boise to Los Angeles) ranks #1236 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 89.2%
- On-time
- +10.2 pts
- vs US avg
- 74 min
- Delay when late
- 9,537
- Flights
- #1236 of 4927
- Corpus placement
Cancelled
0.2%
Best Month
Jan 2025 98%
Worst Month
Feb 2025 82%
Distance
674 mi
Carriers
15
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 122 | 14 | 2 | 0 | AS,OO |
| Nov 2025 | 117 | 8 | 1 | 0 | OO,AS |
| Oct 2025 | 123 | 7 | 0 | 0 | OO |
| Sep 2025 | 120 | 7 | 0 | 0 | OO |
| Aug 2025 | 122 | 6 | 0 | 0 | OO |
| Jul 2025 | 122 | 3 | 0 | 0 | OO |
| Jun 2025 | 120 | 4 | 0 | 0 | OO |
| May 2025 | 124 | 5 | 0 | 0 | OO |
| Apr 2025 | 111 | 5 | 0 | 0 | OO |
| Mar 2025 | 123 | 6 | 0 | 0 | OO,UA |
| Feb 2025 | 113 | 20 | 0 | 0 | OO |
| Jan 2025 | 130 | 3 | 0 | 0 | OO,UA |
| Dec 2024 | 183 | 28 | 4 | 1 | OO |
| Nov 2024 | 167 | 24 | 0 | 0 | OO |
| Oct 2024 | 180 | 11 | 0 | 0 | OO |
| Sep 2024 | 163 | 11 | 0 | 0 | OO |
| Aug 2024 | 153 | 7 | 0 | 0 | OO |
| Jul 2024 | 153 | 16 | 0 | 1 | OO |
| Jun 2024 | 155 | 6 | 0 | 0 | OO |
| May 2024 | 121 | 17 | 0 | 0 | OO |
| Apr 2024 | 74 | 9 | 0 | 0 | OO |
| Mar 2024 | 77 | 3 | 0 | 0 | OO |
| Feb 2024 | 61 | 5 | 0 | 0 | OO |
| Jan 2024 | 70 | 9 | 0 | 0 | OO |
BOI–LAX seasonal on-time pattern
Best: September (93.0%) · weakest: December (81.6%)
Strongest calendar month
September
93.0% on-time · ~148 flights/mo
Busiest calendar month
September
~148 flights/mo avg
Weakest calendar month
December
81.6% on-time · ~132 flights/mo
Cancellation Rate
0.2%
7 of 3,004 flights
Diversion Rate
0.1%
2 of 3,004 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BOI - Boise
Full on-time, delay-cause, and seasonal performance for Boise, ID.
BOI on-time profileLAX - Los Angeles
Full on-time, delay-cause, and seasonal performance for Los Angeles, CA.
LAX on-time profileCompare the two airports
See BOI and LAX side by side on delays, cancellations, and reliability.
Compare BOI vs LAXOrigin-hub reliability standing
Among BOI's stronger departures
BOI → LAX posts a 89.2% on-time rate, landing in the ≥85% band with 10 of 19 BTS-tracked routes leaving Boise. The same hub also shows 9 mid-band and 0 challenged departures · fleet-wide on-time rank #219 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to BOI–LAX.
Routes with a similar on-time rate
What the Data Says About BOI to LAX
Boise to Los Angeles (BOI to LAX) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.2% on-time rate across 9,537 flights, with delays that do happen averaging 73.7 minutes. The corridor runs roughly 674 miles and is served by 15 carriers. Over the most recent 24 months, 7 of 3,004 flights were cancelled (0.2%) and 2 diverted (0.1%).
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 98% on-time, while Feb 2025 came in at just 82% - a 15-point swing worth factoring into travel timing.
On the multi-year calendar, BOI–LAX peaks in September at 93.0% on-time ; the softest month is December at 81.6%, a 11.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does BOI to LAX rank among US routes by traffic? ▼
How often are flights delayed from BOI to LAX? ▼
What is the cancellation rate for BOI to LAX? ▼
How far is the flight from BOI to LAX? ▼
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Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using BOI–LAX data
BOI–LAX runs 10.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare BOI and LAX airport profiles: delay causes and top routes differ even on the same corridor. BOI airport
- If your dates flex, September (93.0% on-time) beats December (81.6%) on this corridor. Seasonal chart
- 4 other routes post a similar 89.2% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.