Denver International in March 2024

76.2%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 March 2024, reporting carriers scheduled 24,976 domestic departures from Denver International (DEN). 76.2% left less than 15 minutes late and 75.6% reached their destination on time; 2.1% were cancelled.

Nationally that month, 78.5% of flights departed on time and 78.3% arrived on time, so DEN departures were 2.3 points below the national departure figure.

Flights arriving at DEN that month were on time 81.4% of the time (24,969 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 33% and national aviation system 24%.

On time 75.6%
Arrived 15+ minutes late 22.1%
Cancelled 2.1%
Diverted 0.2%

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

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

Measure	Mar 2024	Year earlier	DEN, 12 months to Jul 2026	All reported flights, Mar 2024
Departed on time	76.2%	—	75.7%	78.5%
Arrived on time	75.6%	—	76.1%	78.3%
Cancelled	2.1%	—	0.7%	0.9%
Average departure delay (late minutes only)	14.1 min	—	16.5 min	15.7 min
Scheduled departures a day	833	—	875	19,726
Scheduled departures	24,976	—	319,208	591,767

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	8,551	34%	78.4%	4.7 min	0.8%
WN Southwest Airlines	8,511	34%	70.8%	9.0 min	2.1%
OO SkyWest Airlines	3,906	16%	81.0%	-0.8 min	4.3%
F9 Frontier Airlines	1,945	8%	69.3%	12.7 min	4.2%
DL Delta Air Lines	1,077	4%	86.1%	-0.4 min	0.2%
AA American Airlines	715	3%	73.3%	17.6 min	2.0%
AS Alaska Airlines	144	1%	79.2%	4.5 min	2.1%
B6 JetBlue Airways	92	0%	59.8%	26.5 min	2.2%
G4 Allegiant Air	35	0%	51.4%	40.1 min	5.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DEN–PHX	Denver to Phoenix	894	76.0%	6.8 min	2.1%
DEN–LAS	Denver to Las Vegas	783	65.6%	14.4 min	2.6%
DEN–SLC	Denver to Salt Lake City	725	77.2%	3.1 min	1.8%
DEN–LAX	Denver to Los Angeles	619	82.7%	0.5 min	1.5%
DEN–MSP	Denver to Minneapolis	532	82.1%	1.8 min	2.4%
DEN–ORD	Denver to Chicago	530	79.8%	7.2 min	2.1%
DEN–ATL	Denver to Atlanta	509	81.7%	2.1 min	0.6%
DEN–DFW	Denver to Dallas/Fort Worth	505	73.1%	11.4 min	3.8%
DEN–SEA	Denver to Seattle	494	77.9%	3.4 min	1.6%
DEN–MCO	Denver to Orlando	477	67.7%	17.2 min	2.7%
DEN–SFO	Denver to San Francisco	450	48.4%	27.8 min	1.1%
DEN–SAN	Denver to San Diego	448	77.5%	2.9 min	0.9%

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), March 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2024	Minutes
Air carrier	33.2%	32.1%	103,254
Late-arriving aircraft	39.8%	42.1%	123,563
National Aviation System	23.7%	21.4%	73,540
Extreme weather	3.3%	4.2%	10,321
Security	0.1%	0.2%	164

310,842 delay minutes on 5,525 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 March 2024?

76.2% of 24,976 scheduled domestic departures left less than 15 minutes late, and 75.6% reached their destination on time. The national figures that month were 78.5% and 78.3%.

How does that compare with a year earlier?

March 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 March 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.