Route · DEN → LWS · 2020–2025 BTS data
Denver to Lewiston
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to LWS (Denver to Lewiston) ranks #4426 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 85.2%
- On-time
- +6.2 pts
- vs US avg
- 70 min
- Delay when late
- 1,103
- Flights
- #4426 of 4927
- Corpus placement
Cancelled
0.8%
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 | 10 | 0 | 0 | OO |
| Dec 2024 | 31 | 3 | 0 | 0 | OO |
| Nov 2024 | 30 | 3 | 0 | 0 | OO |
| Oct 2024 | 31 | 1 | 0 | 0 | OO |
| Sep 2024 | 30 | 5 | 0 | 0 | OO |
| Aug 2024 | 31 | 5 | 0 | 0 | OO |
| Jul 2024 | 31 | 6 | 0 | 0 | OO |
| Jun 2024 | 30 | 3 | 0 | 0 | OO |
| May 2024 | 31 | 3 | 0 | 0 | OO |
| Apr 2024 | 30 | 4 | 0 | 0 | OO |
| Mar 2024 | 31 | 5 | 1 | 0 | OO |
| Jan 2024 | 31 | 12 | 0 | 1 | OO |
| Dec 2023 | 31 | 6 | 0 | 0 | OO |
| Nov 2023 | 30 | 5 | 0 | 1 | OO |
| Oct 2023 | 31 | 4 | 0 | 0 | OO |
| Sep 2023 | 30 | 1 | 0 | 0 | OO |
| Aug 2023 | 31 | 7 | 0 | 0 | OO |
| Jul 2023 | 31 | 4 | 0 | 0 | OO |
| Jun 2023 | 30 | 4 | 0 | 0 | OO |
| May 2023 | 31 | 3 | 0 | 0 | OO |
| Apr 2023 | 30 | 4 | 0 | 0 | OO |
| Mar 2023 | 31 | 7 | 0 | 0 | OO |
| Jan 2023 | 31 | 11 | 4 | 0 | OO |
| Dec 2022 | 31 | 10 | 1 | 0 | OO |
DEN–LWS seasonal on-time pattern
Best: May (92.5%) · weakest: January (71.8%)
Strongest calendar month
May
92.5% on-time · ~31 flights/mo
Busiest calendar month
January
~31 flights/mo avg
Weakest calendar month
January
71.8% on-time · ~31 flights/mo
Cancellation Rate
0.8%
6 of 736 flights
Diversion Rate
0.3%
2 of 736 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
DEN on-time profileLWS - Lewiston
Full on-time, delay-cause, and seasonal performance for Lewiston, ID.
LWS on-time profileCompare the two airports
See DEN and LWS side by side on delays, cancellations, and reliability.
Compare DEN vs LWSOrigin-hub reliability standing
Among DEN's stronger departures
DEN → LWS posts a 85.2% on-time rate, landing in the ≥85% band with 8 of 168 BTS-tracked routes leaving Denver. The same hub also shows 133 mid-band and 27 challenged departures · fleet-wide on-time rank #1146 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to DEN–LWS.
Routes with a similar on-time rate
What the Data Says About DEN to LWS
Denver to Lewiston (DEN to LWS) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.2% on-time rate across 1,103 flights, with delays that do happen averaging 69.9 minutes. The corridor runs roughly 768 miles and is served by 1 carrier. Over the most recent 24 months, 6 of 736 flights were cancelled (0.8%) and 2 diverted (0.3%).
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, DEN–LWS peaks in May at 92.5% on-time while January carries the heaviest traffic (~31 flights per month) ; the softest month is January at 71.8%, a 20.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does DEN to LWS rank among US routes by traffic? ▼
How often are flights delayed from DEN to LWS? ▼
What is the cancellation rate for DEN to LWS? ▼
How far is the flight from DEN to LWS? ▼
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 DEN–LWS data
DEN–LWS runs 6.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare DEN and LWS airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
- If your dates flex, May (92.5% on-time) beats January (71.8%) on this corridor. Seasonal chart
- 4 other routes post a similar 85.2% 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.