Carrier route record
OODEN→IDA
SkyWest Airlines · Denver to Idaho Falls
- Flights
- 1,417
- Period
- September 2025 to August 2026
- Share of route
- 85%
- Carriers
- 2
Historical statistics for September 2025 to August 2026, not live status. For today’s flights, check with SkyWest Airlines.
SkyWest on DEN to IDA lands a B+, 5 points better than the national rate of 77.3%. About one flight in six arrives 15 minutes late or worse, and those flights are late by a little over an hour on average. That rests on 1,417 flights, with a median arrival 6 minutes early.
Set against the rest of the country, SkyWest's DEN to IDA record is 5 points better than the US average of 77.3%. That gap is worth roughly 53 fewer late arrivals for every thousand flights.
Key figures
On time
82.6%
Arrivals under 15 minutes late, of 1,408 completed flights
Avg delay
73 min
Across delayed arrivals only, not all flights
Cancelled
0.35%
National rate is 1.89%
Whole route
82.5%
Every carrier on DEN to IDA, 1,663 flights
These figures cover 1,417 flights between September 2025 and August 2026. The median arrival is 6 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 DEN to IDA
SkyWest flew 1,417 of the 1,663 flights on DEN to IDA, most of the route. Its 82.6% on time is about level with the route as a whole at 82.5%. Ranked by on-time rate it is first of two carriers on the route, where the range runs from SkyWest at 82.6% to United at 81.6%. One of those carriers flew fewer than 365 flights here, so treat their positions as rough.
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.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| SkyWest Airlines (this page) | 1,417 | 82.6% | 73 min | 0.35% | B+ |
| United Airlinesthin sample | 246 | 81.6% | 64 min | 0.00% | B+ |
Flight by flight
SkyWest flight numbers on DEN to IDA
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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–11am362 flights88.6%
- 11am–2pm264 flights88.3%
- 2pm–5pm344 flights79.7%
- 5pm–8pm362 flights75.5%
- 8pm–5am85 flights81.2%
Scale runs 65% to 95%. Rows with fewer than 30 flights show a dash.
Book the morning departure. Flights leaving between 8am–11am arrive on time 88.6% of the time, against 75.5% 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 362 flights scheduled in it.
Across the year
SkyWest on DEN to IDA through the year
November is the best month on the calendar at 90.1% on time. Shoulder season thins the schedule and takes the summer weather with it, and the operation gets its margin back. September was the busiest month here, with 164 flights.
Across the week, Sunday is the strongest day at 85.4% on time and Thursday the weakest at 78.8%, a spread of 7 points.
Arrival by arrival
How late SkyWest on DEN to IDA runs when it is late
The 245 late arrivals split 75 under half an hour, 74 between 30 and 60 minutes, and 96 an hour or more.
- 15+ min early333 flights23.7%
- Within 15 min830 flights58.9%
- 15–29 min late75 flights5.3%
- 30–59 min late74 flights5.3%
- 1–2 hours late56 flights4.0%
- 2+ hours late40 flights2.8%
Scale runs 0% to 100%.
Share of 1,408 completed flights by arrival against schedule.
38 of 237 late departures made up the time and arrived on time, 16% of them. 46 flights left on time and still arrived late.
The worst days
Worst days for SkyWest on DEN to IDA
The latest arrival of the period was on 13 August 2026, 13 hours 17 minutes behind schedule; most of its delay minutes were filed as extreme weather. On three of the five worst days the largest share was filed as carrier-caused (crew, maintenance, fuelling, baggage).
| Date | Arrived late by | Largest filed cause |
|---|---|---|
| 13 August 2026 | 13 hours 17 minutes | Extreme weather |
| 26 December 2025 | 9 hours 21 minutes | Carrier |
| 17 April 2026 | 6 hours 54 minutes | Carrier |
| 17 February 2026 | 5 hours 26 minutes | National Airspace System |
| 16 March 2026 | 5 hours 19 minutes | Carrier |
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 18,000 reported delay minutes.
- 42%Carrier
- 30%Late-arriving aircraft
- 20%National Airspace System
- 8%Extreme weather
The largest share of delay minutes, 42%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 7,450 of the 18,000 delay minutes reported here. The split is drawn from 17,935 reported delay minutes.
The practical consequence: the 8am–11am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 88.6% on time here.
Cancellations are rare at 0.35%, below the national 1.89% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.
Connections and stage length
What a delay here costs
6.8% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last a little over an hour, which a normal layover absorbs.
At 458 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 8am–11am window matters as much as it does.
The return leg runs 81.9% on time across 1,418 flights, within half a point of this direction. The two legs are scored separately because they usually differ; on this city pair they happen not to.
The sample behind these figures is 1,417 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.
What to do with this
Booking SkyWest on DEN to IDA
Put together: the calendar is the biggest lever here, not the carrier or the hour. November runs 90.1% on time and March 76.7%, a swing of 13 points. If the dates move at all, move them out of March before you think about anything else. 1,408 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.