How delayed is Denver, CO (DEN)?

Denver, CO has an on-time rate of 76.4%. The average delay is 15.4 min.

What causes delays at DEN?

The main delay causes at DEN are carrier issues (37.6%), weather (5.2%), NAS/air traffic control (16.1%), and late arriving aircraft (41.0%).

What is the best time to fly from DEN?

The best time to fly from DEN is at 4:00 with a 100.0% on-time rate. Nov is the best month with 82.8% on-time flights.

Denver, CO

Denver, CO, CO — DEN

On-Time Rate

76.4%

2019-2025

Avg Delay

15.4 min

when delayed

Cancel Rate

2.1%

flights cancelled

Total Flights

1,855,791

2019-2025

Best Month

Nov

82.8% on-time

Worst Month

Jun

69.0% on-time

Best Departure Time

4:00

100.0% on-time

12-Month On-Time Trend

Delay Causes

Best Time to Fly (By Hour)

Seasonal Pattern

Airlines at DEN

Airline	Flights	On-Time	Avg Delay
Southwest Airlines	564,174	72.6%	N/A
United Airlines	545,018	77.5%	N/A
SkyWest Airlines	414,991	78.9%	N/A
Frontier Airlines	152,184	76.1%	N/A
Delta Air Lines	75,515	83.4%	N/A
American Airlines	59,156	78.4%	N/A
Alaska Airlines	13,192	77.8%	N/A
Spirit Airlines	12,696	75.7%	N/A
JetBlue Airways	8,998	66.5%	N/A
Republic Airways	6,794	77.1%	N/A

Most Delayed Routes

Destination	On-Time
DEN → PIAPeoria, IL	61.2%
DEN → MMHMammoth Lakes, CA	61.7%
DEN → ALBAlbany, NY	64.1%
DEN → BIHBishop, CA	65.3%
DEN → SRQSarasota/Bradenton, FL	65.7%

Most Punctual Routes

Destination	On-Time
DEN → TWFTwin Falls, ID	89.7%
DEN → RSTRochester, MN	87.8%
DEN → FLGFlagstaff, AZ	86.3%
DEN → DVLDevils Lake, ND	86.3%
DEN → ATYWatertown, SD	85.8%

Was your flight from Denver, CO delayed?

You may be entitled to compensation of up to $700 per passenger for delayed or cancelled flights. Check your eligibility now.

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Data source: Bureau of Transportation Statistics (BTS) On-Time Performance dataset. Statistics are based on reported flight data from 2019 through November 2025 and are not real-time. See our data methodology for details.