Denver International in October 2024

85.4%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 October 2024, reporting carriers scheduled 26,929 domestic departures from Denver International (DEN). 85.4% left less than 15 minutes late and 86.1% reached their destination on time; 0.4% were cancelled.

Nationally that month, 85.5% of flights departed on time and 85.8% arrived on time, so DEN departures were level with the national departure figure.

A year earlier, in October 2023, the airport had 25,543 departures with 77.6% leaving on time: a change of +7.8 points, with flights up 5%.

Flights arriving at DEN that month were on time 88.5% of the time (26,930 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, late-arriving aircraft 40% and national aviation system 15%.

On time 86.1%
Arrived 15+ minutes late 13.3%
Cancelled 0.4%
Diverted 0.2%

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

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

Measure	Oct 2024	Oct 2023	DEN, 12 months to Jul 2026	All reported flights, Oct 2024
Departed on time	85.4%	77.6%	75.7%	85.5%
Arrived on time	86.1%	78.1%	76.1%	85.8%
Cancelled	0.4%	0.4%	0.7%	1.0%
Average departure delay (late minutes only)	9.1 min	13.2 min	16.5 min	9.4 min
Scheduled departures a day	898	851	875	20,517
Scheduled departures	26,929	25,543	319,208	615,497

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	9,080	34%	88.6%	-3.4 min	0.4%
WN Southwest Airlines	7,717	29%	84.9%	0.5 min	0.5%
OO SkyWest Airlines	5,714	21%	87.5%	-1.3 min	0.1%
F9 Frontier Airlines	2,374	9%	75.3%	7.2 min	1.0%
DL Delta Air Lines	1,023	4%	90.0%	-4.2 min	0.0%
AA American Airlines	701	3%	87.0%	3.4 min	0.6%
AS Alaska Airlines	150	1%	88.0%	-5.6 min	0.7%
B6 JetBlue Airways	119	0%	87.4%	-1.8 min	0.0%
G4 Allegiant Air	41	0%	78.0%	14.8 min	0.0%
MQ Envoy Air	10	0%	80.0%	-1.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DEN–PHX	Denver to Phoenix	826	84.7%	3.1 min	0.2%
DEN–LAS	Denver to Las Vegas	696	83.9%	0.5 min	0.0%
DEN–LAX	Denver to Los Angeles	688	85.3%	0.5 min	0.0%
DEN–SLC	Denver to Salt Lake City	661	85.5%	-1.4 min	0.0%
DEN–ORD	Denver to Chicago	577	86.0%	1.2 min	0.0%
DEN–SEA	Denver to Seattle	569	85.4%	-2.3 min	0.2%
DEN–DFW	Denver to Dallas/Fort Worth	557	85.5%	-0.3 min	0.4%
DEN–MSP	Denver to Minneapolis	546	88.6%	-5.4 min	0.0%
DEN–ATL	Denver to Atlanta	502	82.7%	1.6 min	0.0%
DEN–SAN	Denver to San Diego	495	75.4%	10.0 min	1.0%
DEN–SFO	Denver to San Francisco	495	85.5%	-1.8 min	0.2%
DEN–COS	Denver to Colorado Springs	464	87.7%	-0.7 min	0.2%

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), October 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2024	Minutes
Air carrier	42.6%	42.7%	83,248
Late-arriving aircraft	39.6%	37.4%	77,311
National Aviation System	14.7%	16.3%	28,718
Extreme weather	3.1%	3.4%	6,064
Security	0.1%	0.2%	114

195,455 delay minutes on 3,587 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 October 2024?

85.4% of 26,929 scheduled domestic departures left less than 15 minutes late, and 86.1% reached their destination on time. The national figures that month were 85.5% and 85.8%.

How does that compare with a year earlier?

In October 2023, 77.6% of 25,543 departures left on time and 0.4% were cancelled, against 85.4% and 0.4% in October 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 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.