Route · LWS → DEN · 2020–2025 BTS data
Lewiston to Denver
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LWS to DEN (Lewiston to Denver) ranks #4427 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 83.7%
- On-time
- +4.7 pts
- vs US avg
- 131 min
- Delay when late
- 1,103
- Flights
- #4427 of 4927
- Corpus placement
Cancelled
1.1%
Best Month
N/A
Worst Month
N/A
Distance
768 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Jan 2025 | 31 | 9 | 0 | 0 | OO |
| Dec 2024 | 31 | 4 | 0 | 0 | OO |
| Nov 2024 | 30 | 5 | 0 | 0 | OO |
| Oct 2024 | 31 | 6 | 0 | 0 | OO |
| Sep 2024 | 30 | 3 | 0 | 0 | OO |
| Aug 2024 | 31 | 1 | 0 | 0 | OO |
| Jul 2024 | 31 | 2 | 0 | 0 | OO |
| Jun 2024 | 30 | 3 | 0 | 0 | OO |
| May 2024 | 31 | 1 | 0 | 0 | OO |
| Apr 2024 | 30 | 3 | 0 | 0 | OO |
| Mar 2024 | 30 | 5 | 1 | 0 | OO |
| Jan 2024 | 31 | 11 | 1 | 0 | OO |
| Dec 2023 | 31 | 2 | 0 | 0 | OO |
| Nov 2023 | 30 | 5 | 0 | 0 | OO |
| Oct 2023 | 31 | 3 | 1 | 1 | OO |
| Sep 2023 | 30 | 5 | 0 | 1 | OO |
| Aug 2023 | 31 | 9 | 0 | 1 | OO |
| Jul 2023 | 31 | 8 | 0 | 3 | OO |
| Jun 2023 | 30 | 11 | 3 | 0 | OO |
| May 2023 | 31 | 10 | 0 | 2 | OO |
| Apr 2023 | 30 | 4 | 0 | 2 | OO |
| Mar 2023 | 31 | 7 | 0 | 0 | OO |
| Jan 2023 | 31 | 8 | 1 | 2 | OO |
| Dec 2022 | 31 | 8 | 1 | 0 | OO |
LWS–DEN seasonal on-time pattern
Best: September (90.0%) · weakest: January (73.4%)
Strongest calendar month
September
90.0% on-time · ~30 flights/mo
Busiest calendar month
January
~31 flights/mo avg
Weakest calendar month
January
73.4% on-time · ~31 flights/mo
Cancellation Rate
1.1%
8 of 735 flights
Diversion Rate
1.6%
12 of 735 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LWS - Lewiston
Full on-time, delay-cause, and seasonal performance for Lewiston, ID.
LWS on-time profileDEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
DEN on-time profileCompare the two airports
See LWS and DEN side by side on delays, cancellations, and reliability.
Compare LWS vs DENOrigin-hub reliability standing
Mid-pack among LWS departures
From LWS, this corridor sits with 1 other 75–85% on-time routes out of 3 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 0 below 75%). Destination: Denver · fleet on-time rank #1695 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to LWS–DEN.
Routes with a similar on-time rate
What the Data Says About LWS to DEN
Bureau of Transportation Statistics records show Lewiston to Denver (LWS to DEN) running a 83.7% on-time rate over 1,103 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 131.0 minutes. The 768-mile corridor is served by 1 carrier, and over the last 24 months 1.1% of 735 flights were cancelled, 1.6% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
On the multi-year calendar, LWS–DEN peaks in September at 90.0% on-time while January carries the heaviest traffic (~31 flights per month) ; the softest month is January at 73.4%, a 16.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does LWS to DEN rank among US routes by traffic? ▼
How often are flights delayed from LWS to DEN? ▼
What is the cancellation rate for LWS to DEN? ▼
How far is the flight from LWS to DEN? ▼
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 LWS–DEN data
LWS–DEN runs 4.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare LWS and DEN airport profiles: delay causes and top routes differ even on the same corridor. LWS airport
- If your dates flex, September (90.0% on-time) beats January (73.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 83.7% 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.