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Route · SLC → COS · 2020–2025 BTS data

Salt Lake City to Colorado Springs

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SLC to COS (Salt Lake City to Colorado Springs) ranks #2682 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

88.6%
On-time
+9.6 pts
vs US avg
69 min
Delay when late
4,509
Flights
#2682 of 4927
Corpus placement

Cancelled

0.1%

Best Month

Oct 2025 97%

Worst Month

Jul 2025 79%

Distance

411 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 59 6 1 1 OO
Nov 2025 57 3 0 0 OO
Oct 2025 61 2 0 0 OO
Sep 2025 60 2 0 0 OO
Aug 2025 62 9 0 1 OO
Jul 2025 56 12 0 0 OO
Jun 2025 30 2 0 0 OO
May 2025 31 5 0 0 OO
Apr 2025 30 2 0 0 OO
Mar 2025 31 3 0 0 OO
Jan 2025 31 8 0 0 OO
Dec 2024 31 4 0 0 OO
Nov 2024 30 4 0 0 OO
Oct 2024 31 2 0 0 OO
Sep 2024 30 3 0 0 OO
Aug 2024 31 8 0 0 OO
Jul 2024 31 7 0 0 OO
Jun 2024 30 7 0 0 OO
May 2024 31 2 0 0 OO
Apr 2024 30 7 0 0 OO
Mar 2024 31 4 0 0 OO
Jan 2024 31 8 0 0 OO
Dec 2023 31 0 0 1 OO
Nov 2023 30 6 0 0 OO

SLC–COS seasonal on-time pattern

Best: October (93.8%) · weakest: July (78.7%)

75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 86.7%

Strongest calendar month

October

93.8% on-time · ~65 flights/mo

Busiest calendar month

August

~72 flights/mo avg

Weakest calendar month

July

78.7% on-time · ~71 flights/mo

Cancellation Rate

0.1%

1 of 906 flights

Diversion Rate

0.3%

3 of 906 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

SLC - Salt Lake City

Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.

SLC on-time profile

COS - Colorado Springs

Full on-time, delay-cause, and seasonal performance for Colorado Springs, CO.

COS on-time profile

Compare the two airports

See SLC and COS side by side on delays, cancellations, and reliability.

Compare SLC vs COS

Origin-hub reliability standing

Among SLC's stronger departures

SLC → COS posts a 88.6% 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 #321 of 4927 (highest on-time = #1).

What the Data Says About SLC to COS

Salt Lake City to Colorado Springs (SLC to COS) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.6% on-time rate across 4,509 flights, with delays that do happen averaging 68.5 minutes. The corridor runs roughly 411 miles and is served by 1 carrier. Over the most recent 24 months, 1 of 906 flights were cancelled (0.1%) and 3 diverted (0.3%).

The monthly split is wide on this route: Oct 2025 posted the strongest performance at 97% on-time, while Jul 2025 came in at just 79% - a 18-point swing worth factoring into travel timing.

On the multi-year calendar, SLC–COS peaks in October at 93.8% on-time while August carries the heaviest traffic (~72 flights per month) ; the softest month is July at 78.7%, a 15.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SLC to COS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SLC to COS ranks #2682 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 COS? ▼
Flights from Salt Lake City to Colorado Springs have a 88.6% on-time rate based on 4,509 flights. The average delay is 68.5 minutes. The best recent month was Oct 2025 with 97% on-time.
What is the cancellation rate for SLC to COS? ▼
Over the last 24 months, 0.1% of flights on this route were cancelled (1 of 906 flights) and 0.3% were diverted.
How far is the flight from SLC to COS? ▼
The flight distance from Salt Lake City (SLC) to Colorado Springs (COS) is approximately 411 miles. This route is served by 1 carrier.
When is the best time to fly from SLC to COS? ▼
The best recent month for on-time performance was Oct 2025 (97% on-time). The worst was Jul 2025 (79% on-time). Consider booking during months with historically better performance.

Airports on this route

SLC Airport

Salt Lake City
COS Airport

Colorado Springs
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 SLC–COS data

SLC–COS runs 9.6 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 COS airport profiles: delay causes and top routes differ even on the same corridor. SLC airport
  • If your dates flex, October (93.8% on-time) beats July (78.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 88.6% 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.