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DelayAtlas

Carrier route record

OOFCA→DEN

SkyWest Airlines · Kalispell to Denver

Flights
203
Period
September 2025 to August 2026
Share of route
20%
Carriers
2
A+GRADE

Historical statistics for September 2025 to August 2026, not live status. For today’s flights, check with SkyWest Airlines.

SkyWest on FCA to DEN earns an A+. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 12 points better than the national rate of 77.3%. When something does go wrong the average delay runs an hour and a half. That rests on 203 flights, with a median arrival 11 minutes early.

Set against the rest of the country, SkyWest's FCA to DEN record is 12 points better than the US average of 77.3%. That gap is worth roughly 124 fewer late arrivals for every thousand flights.

Key figures

On time

89.7%

Arrivals under 15 minutes late, of 203 completed flights

Avg delay

83 min

Across delayed arrivals only, not all flights

Cancelled

0.00%

National rate is 1.89%

Whole route

84.6%

Every carrier on FCA to DEN, 1,010 flights

These figures cover 203 flights between September 2025 and August 2026. The median arrival is 11 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.

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Carrier by carrier

SkyWest against every carrier on FCA to DEN

SkyWest flew 203 of the 1,010 flights on FCA to DEN, about 20% of it. Its 89.7% on time is 5 points better than the route as a whole, which runs 84.6%. Ranked by on-time rate it is first of two carriers on the route, where the range runs from SkyWest at 89.7% to United at 83.2%.

Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.

On-time performance by carrier on FCA to DEN
AirlineFlightsOn timeAvg delayCancelledGrade
SkyWest Airlines (this page)thin sample20389.7%83 min0.00%A+
United Airlines80783.2%92 min1.24%B

Timetable by Aviasales, a Travelpayouts partner. Booking through it may earn this site a commission at no cost to you; it changes no figure here.

Departure window

When SkyWest runs best on this route

Departure time matters more here than the choice of carrier. The gap between the best and worst window is 13 points, against half a point between the best and worst carrier.

  • 5am–8am—
  • 8am–11am146 flights93.2%
  • 11am–2pm—
  • 2pm–5pm—
  • 5pm–8pm57 flights80.7%
  • 8pm–5am—

Scale runs 70% to 100%. Rows with fewer than 30 flights show a dash.

Book the morning departure. Flights leaving between 8am–11am arrive on time 93.2% of the time, against 80.7% for the evening window. That is 13 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 8am–11am window is the busiest, with 146 flights scheduled in it.

Across the year

SkyWest on FCA to DEN through the year

  • Jul–Sep 202559 flights91.5%
  • Oct–Dec 202550 flights82.0%
  • Apr–Jun 202644 flights88.6%
  • Jul–Sep 202650 flights96.0%

Scale runs 75% to 100%.

Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 89.7% on time across 203 flights.

SkyWest on FCA to DEN did not run the same all year. Its best quarter was Jul–Sep 2026 at 96.0% on time and its weakest Oct–Dec 2025 at 82.0%, a swing of 14 points on roughly 51 flights a quarter. The twelve-month rate averages over that, so if you are flying in a weak quarter the quarter's own figure is the better guide.

Across the week, Friday is the strongest day at 93.8% on time and Monday the weakest at 77.4%, a spread of 16 points.

Arrival by arrival

How late SkyWest on FCA to DEN runs when it is late

SkyWest on FCA to DEN often beats the schedule: 81 of 203 completed flights, 40%, arrived 15 minutes or more early. The 21 late arrivals split 9 under half an hour, 7 between 30 and 60 minutes, and 5 an hour or more.

  • 15+ min early81 flights39.9%
  • Within 15 min101 flights49.8%
  • 15–29 min late9 flights4.4%
  • 30–59 min late7 flights3.4%
  • 1–2 hours late2 flights1.0%
  • 2+ hours late3 flights1.5%

Scale runs 0% to 100%.

Share of 203 completed flights by arrival against schedule.

5 of 21 late departures made up the time and arrived on time, 24% of them. 5 flights left on time and still arrived late.

The worst days

Worst days for SkyWest on FCA to DEN

The latest arrival of the period was on 14 August 2026, 10 hours 44 minutes behind schedule; most of its delay minutes were filed as extreme weather. The five worst days are spread across August, June, September and October, with no single month standing out.

The latest arrivals of SkyWest on FCA to DEN in the period
DateArrived late byLargest filed cause
14 August 202610 hours 44 minutesExtreme weather
1 June 20264 hours 51 minutesLate-arriving aircraft
22 September 20253 hours 9 minutesNational Airspace System
13 October 20251 hour 15 minutesCarrier
15 June 20261 hour 7 minutesLate-arriving aircraft

Delay causes

Why SkyWest runs late on this route

Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 1,747 reported delay minutes.

  • Extreme weather
    37%
  • Late-arriving aircraft
    25%
  • National Airspace System
    20%
  • Carrier
    19%

Extreme weather accounts for 37% of delay minutes, well above the single-digit share typical across the system. Weather delays are lumpy: they arrive as whole bad days rather than as a steady drag, so the monthly strip above is the more useful view of the risk. The national share is 6%, so this operation carries roughly 6.1 times the usual weather exposure. The split is drawn from 1,747 reported delay minutes.

Cancellations are rare at 0.00%, below the national 1.89% and low enough to earn the plus on the grade. Almost no flights are called off; the risk here is arriving late, not not arriving.

Connections and stage length

What a delay here costs

Badly late arrivals are rare here: only 2.5% land an hour or more behind schedule, against 8.3% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.

The 752 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty.

The return leg runs 92.1% on time across 203 flights, within 2 points of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.

One caution: this is a thin sample. 203 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.

What to do with this

Booking SkyWest on FCA to DEN

Put together: treat all of this as provisional. 203 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 89.7% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 203 completed flights over 12 months sit behind that.

Related

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.