Denver International in July 2024

69.9%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In July 2024, reporting carriers scheduled 28,401 domestic departures from Denver International (DEN). 69.9% left less than 15 minutes late and 70.9% reached their destination on time; 1.6% were cancelled.

Nationally that month, 68.5% of flights departed on time and 68.1% arrived on time, so DEN departures were 1.4 points above the national departure figure.

Flights arriving at DEN that month were on time 75.2% of the time (28,400 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 48%, air carrier 37% and national aviation system 13%.

On time 70.9%
Arrived 15+ minutes late 27.1%
Cancelled 1.6%
Diverted 0.4%

Every scheduled departure from DEN in July 2024, judged by arrival at the destination.

July 2024 against a year earlier, the airport's year and the nation

Measure	Jul 2024	Year earlier	DEN, 12 months to Jul 2026	All reported flights, Jul 2024
Departed on time	69.9%	—	75.7%	68.5%
Arrived on time	70.9%	—	76.1%	68.1%
Cancelled	1.6%	—	0.7%	2.9%
Average departure delay (late minutes only)	20.9 min	—	16.5 min	24.9 min
Scheduled departures a day	947	—	875	21,154
Scheduled departures	28,401	—	319,208	634,613

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	9,041	32%	69.5%	15.4 min	2.5%
WN Southwest Airlines	8,943	31%	69.4%	12.8 min	0.3%
OO SkyWest Airlines	5,625	20%	78.6%	8.0 min	0.3%
F9 Frontier Airlines	2,397	8%	64.6%	15.9 min	3.3%
DL Delta Air Lines	1,150	4%	69.9%	15.9 min	7.4%
AA American Airlines	725	3%	67.2%	24.4 min	2.6%
AS Alaska Airlines	279	1%	79.9%	6.9 min	0.4%
B6 JetBlue Airways	124	0%	64.5%	23.1 min	0.0%
G4 Allegiant Air	60	0%	63.3%	26.4 min	3.3%
MQ Envoy Air	57	0%	63.2%	12.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DEN–PHX	Denver to Phoenix	732	70.9%	13.9 min	1.5%
DEN–SEA	Denver to Seattle	718	71.3%	16.6 min	1.8%
DEN–SLC	Denver to Salt Lake City	703	69.4%	12.3 min	2.3%
DEN–LAX	Denver to Los Angeles	669	72.5%	9.9 min	2.7%
DEN–LAS	Denver to Las Vegas	630	64.3%	16.2 min	2.2%
DEN–ORD	Denver to Chicago	578	63.8%	21.3 min	1.4%
DEN–MSP	Denver to Minneapolis	576	67.5%	15.2 min	2.6%
DEN–DFW	Denver to Dallas/Fort Worth	570	68.6%	14.8 min	3.2%
DEN–ATL	Denver to Atlanta	554	64.3%	19.1 min	5.1%
DEN–SAN	Denver to San Diego	499	65.5%	14.5 min	1.2%
DEN–SFO	Denver to San Francisco	478	71.3%	10.7 min	0.6%
DEN–IAH	Denver to Houston	468	60.9%	20.3 min	5.3%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), July 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2024	Minutes
Air carrier	37.4%	36.6%	192,284
Late-arriving aircraft	47.7%	42.7%	245,533
National Aviation System	12.7%	16.0%	65,361
Extreme weather	2.2%	4.6%	11,368
Security	0.0%	0.1%	196

514,742 delay minutes on 7,696 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left DEN on time in July 2024?

69.9% of 28,401 scheduled domestic departures left less than 15 minutes late, and 70.9% reached their destination on time. The national figures that month were 68.5% and 68.1%.

How does that compare with a year earlier?

July 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for DEN · methodology · corrections.