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Route · SLC → EUG · 2020–2025 BTS data

Salt Lake City to Eugene

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SLC to EUG (Salt Lake City to Eugene) ranks #2653 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

90.7%
On-time
+11.7 pts
vs US avg
66 min
Delay when late
4,554
Flights
#2653 of 4927
Corpus placement

Cancelled

0.7%

Best Month

Aug 2025 98%

Worst Month

Dec 2024 79%

Distance

618 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 62 2 0 0 OO
Nov 2025 60 2 0 0 OO
Oct 2025 62 3 0 0 OO
Sep 2025 60 1 0 0 OO
Aug 2025 62 1 0 0 OO
Jul 2025 62 3 0 0 OO
Jun 2025 60 4 0 0 OO
May 2025 62 4 0 0 OO
Apr 2025 60 2 0 0 OO
Mar 2025 62 5 0 0 OO
Feb 2025 56 5 1 0 OO
Jan 2025 62 6 0 0 OO
Dec 2024 62 13 0 0 OO
Nov 2024 60 8 0 0 OO
Oct 2024 62 3 0 1 OO
Sep 2024 60 5 0 0 OO
Aug 2024 62 8 0 0 OO
Jul 2024 62 8 0 0 OO
Jun 2024 60 3 0 0 OO
May 2024 62 8 0 0 OO
Apr 2024 60 5 0 0 OO
Mar 2024 62 4 0 0 OO
Feb 2024 58 5 0 0 OO
Jan 2024 62 12 9 0 OO

SLC–EUG seasonal on-time pattern

Best: September (95.5%) · weakest: January (85.7%)

85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 85.9%

Strongest calendar month

September

95.5% on-time · ~67 flights/mo

Busiest calendar month

October

~73 flights/mo avg

Weakest calendar month

January

85.7% on-time · ~62 flights/mo

Cancellation Rate

0.7%

10 of 1,462 flights

Diversion Rate

0.1%

1 of 1,462 flights

Origin-hub reliability standing

Among SLC's stronger departures

SLC → EUG posts a 90.7% on-time rate, landing in the ≥85% band with 54 of 85 BTS-tracked routes leaving Salt Lake City. The same hub also shows 31 mid-band and 0 challenged departures · fleet-wide on-time rank #111 of 4927 (highest on-time = #1).

What the Data Says About SLC to EUG

Salt Lake City to Eugene (SLC to EUG) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 90.7% on-time rate across 4,554 flights, with delays that do happen averaging 66.2 minutes. The corridor runs roughly 618 miles and is served by 3 carriers. Over the most recent 24 months, 10 of 1,462 flights were cancelled (0.7%) and 1 diverted (0.1%).

The monthly split is wide on this route: Aug 2025 posted the strongest performance at 98% on-time, while Dec 2024 came in at just 79% - a 19-point swing worth factoring into travel timing.

On the multi-year calendar, SLC–EUG peaks in September at 95.5% on-time while October carries the heaviest traffic (~73 flights per month) ; the softest month is January at 85.7%, a 9.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SLC to EUG rank among US routes by traffic?
According to PlainFlights' route traffic ranking, SLC to EUG ranks #2653 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SLC to EUG?
Flights from Salt Lake City to Eugene have a 90.7% on-time rate based on 4,554 flights. The average delay is 66.2 minutes. The best recent month was Aug 2025 with 98% on-time.
What is the cancellation rate for SLC to EUG?
Over the last 24 months, 0.7% of flights on this route were cancelled (10 of 1,462 flights) and 0.1% were diverted.
How far is the flight from SLC to EUG?
The flight distance from Salt Lake City (SLC) to Eugene (EUG) is approximately 618 miles. This route is served by 3 carriers.
When is the best time to fly from SLC to EUG?
The best recent month for on-time performance was Aug 2025 (98% on-time). The worst was Dec 2024 (79% on-time). Consider booking during months with historically better performance.

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.

Using SLC–EUG data

SLC–EUG runs 11.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SLC and EUG airport profiles: delay causes and top routes differ even on the same corridor. SLC airport
  • If your dates flex, September (95.5% on-time) beats January (85.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 90.7% 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.

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

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.