DEN vs SGU - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A

Airport B

Airport A

DEN

Denver, CO

Denver, Colorado

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Airport B

SGU

St. George, UT

St. George, Utah

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric	DEN	SGU
On-Time Rate (higher is better)	78.9%	88.0% ✓
Avg Delay (lower is better)	70.9 min ✓	86.6 min
Delay Rate (lower is better)	21.1%	12.0% ✓
Cancellation Rate (lower is better)	1.02%	0.30% ✓
Total Flights	3,293,040 ▲	39,026
Delayed Flights	696,109	4,697
Cancelled Flights	33,645	117
Top Delay Cause	Late Aircraft	Carrier

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

DEN - Denver, CO

Late Aircraft 40.9%

Carrier 38.6%

NAS 15.3%

Weather 5.2%

Security 0.1%

SGU - St. George, UT

Carrier 58.2%

Late Aircraft 21.5%

Weather 10.7%

NAS 9.5%

Security 0.1%

Top Routes

Top routes from DEN

Route	Flights	On-Time
PHX → DEN Denver	49,558	80.7%
DEN → PHX Phoenix	49,508	77.8%
LAS → DEN Denver	44,661	77.7%
DEN → LAS Las Vegas	44,636	76.1%
DEN → SLC Salt Lake City	43,089	78.3%
SLC → DEN Denver	43,051	78.8%

Top routes from SGU

Route	Flights	On-Time
SGU → SLC Salt Lake City	8,487	92.6%
SLC → SGU St. George	8,487	91.2%
SGU → DEN Denver	4,671	82.2%
DEN → SGU St. George	4,670	80.9%
SGU → PHX Phoenix	4,076	85.1%
PHX → SGU St. George	4,075	86.3%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Compiled by PlainFlights Editorial, Flight Performance Editorial Team

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.