SGU to DEN flight delays & on-time performance
Nonstop flights from St George Regional Airport to Denver International Airport · 517 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at SGU or DEN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from St. George (SGU) to Denver (DEN) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0% were cancelled, and 8% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 5am did best (90% on time); around 1pm did worst (73%).
- Saturday was the most reliable day to fly (86% on time) and Tuesday the least (75%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (45%).
Which airline is most on time from SGU to DEN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 80% | 0.0% | 21 min | 8.4% | 1,075 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am90%359 flights
- 10am78%50 flights
- 1pm73%337 flights
- 2pm75%12 flights
- 5pm77%316 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%0.0% cancelled
- Tuesday75%0.0% cancelled
- Wednesday86%0.0% cancelled
- Thursday79%0.0% cancelled
- Friday79%0.0% cancelled
- Saturday86%0.0% cancelled
- Sunday80%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)45%
- Late-arriving aircraft37%
- Air traffic control & airport congestion15%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
SGU to DEN: common questions
- How often are SGU to DEN flights on time?
- 80% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from St. George to Denver cancelled?
- 0.0% of scheduled flights were cancelled (0 of 1,075).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 101 min behind schedule on average, and 8.4% of flights were an hour or more late.
- How long is taxi time at SGU?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DEN to SGU — 80% on time
More flights from St. George
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: SGU → DEN, nonstop flights by US airlines that report to the DOT. How we calculate this.