Denver International in June 2024

69.6%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 June 2024, reporting carriers scheduled 27,585 domestic departures from Denver International (DEN). 69.6% left less than 15 minutes late and 69.7% reached their destination on time; 0.8% were cancelled.

Nationally that month, 73.7% of flights departed on time and 73.9% arrived on time, so DEN departures were 4.1 points below the national departure figure.

Flights arriving at DEN that month were on time 73.9% of the time (27,576 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, air carrier 33% and national aviation system 15%.

On time 69.7%
Arrived 15+ minutes late 29.2%
Cancelled 0.8%
Diverted 0.3%

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

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

Measure	Jun 2024	Year earlier	DEN, 12 months to Jul 2026	All reported flights, Jun 2024
Departed on time	69.6%	—	75.7%	73.7%
Arrived on time	69.7%	—	76.1%	73.9%
Cancelled	0.8%	—	0.7%	1.3%
Average departure delay (late minutes only)	20.4 min	—	16.5 min	19.7 min
Scheduled departures a day	920	—	875	20,371
Scheduled departures	27,585	—	319,208	611,132

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	8,825	32%	71.8%	12.7 min	0.8%
WN Southwest Airlines	8,609	31%	64.6%	16.6 min	0.2%
OO SkyWest Airlines	5,567	20%	75.6%	10.2 min	1.2%
F9 Frontier Airlines	2,320	8%	63.6%	18.4 min	1.8%
DL Delta Air Lines	1,110	4%	78.9%	7.2 min	0.1%
AA American Airlines	714	3%	67.9%	23.7 min	1.7%
AS Alaska Airlines	246	1%	68.7%	13.0 min	1.6%
B6 JetBlue Airways	108	0%	48.1%	51.9 min	0.9%
G4 Allegiant Air	60	0%	68.3%	15.9 min	0.0%
MQ Envoy Air	26	0%	69.2%	23.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DEN–PHX	Denver to Phoenix	712	66.0%	17.8 min	0.4%
DEN–SLC	Denver to Salt Lake City	689	71.0%	12.8 min	0.6%
DEN–SEA	Denver to Seattle	684	65.1%	16.7 min	0.6%
DEN–LAS	Denver to Las Vegas	647	67.1%	15.8 min	0.5%
DEN–LAX	Denver to Los Angeles	633	69.5%	17.7 min	0.0%
DEN–MSP	Denver to Minneapolis	574	64.5%	17.6 min	0.5%
DEN–DFW	Denver to Dallas/Fort Worth	555	65.9%	20.0 min	1.8%
DEN–ATL	Denver to Atlanta	541	77.6%	7.3 min	0.2%
DEN–ORD	Denver to Chicago	534	69.5%	17.4 min	0.9%
DEN–SAN	Denver to San Diego	516	65.9%	14.9 min	1.7%
DEN–SFO	Denver to San Francisco	459	64.7%	17.4 min	0.7%
DEN–IAH	Denver to Houston	457	71.8%	11.0 min	0.4%

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), June 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2024	Minutes
Air carrier	32.9%	34.4%	167,075
Late-arriving aircraft	48.5%	41.5%	246,302
National Aviation System	15.1%	17.8%	76,721
Extreme weather	3.4%	6.0%	17,428
Security	0.1%	0.2%	269

507,795 delay minutes on 8,061 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 June 2024?

69.6% of 27,585 scheduled domestic departures left less than 15 minutes late, and 69.7% reached their destination on time. The national figures that month were 73.7% and 73.9%.

How does that compare with a year earlier?

June 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 June 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.