Denver International in November 2023

83.6%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 November 2023, reporting carriers scheduled 23,934 domestic departures from Denver International (DEN). 83.6% left less than 15 minutes late and 84.5% reached their destination on time; 0.1% were cancelled.

Nationally that month, 86.0% of flights departed on time and 86.2% arrived on time, so DEN departures were 2.4 points below the national departure figure.

Flights arriving at DEN that month were on time 87.8% of the time (23,939 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 41%, late-arriving aircraft 36% and national aviation system 17%.

On time 84.5%
Arrived 15+ minutes late 15.3%
Cancelled 0.1%
Diverted 0.1%

Every scheduled departure from DEN in November 2023, judged by arrival at the destination.

November 2023 against a year earlier, the airport's year and the nation

Measure	Nov 2023	Year earlier	DEN, 12 months to Jul 2026	All reported flights, Nov 2023
Departed on time	83.6%	—	75.7%	86.0%
Arrived on time	84.5%	—	76.1%	86.2%
Cancelled	0.1%	—	0.7%	0.1%
Average departure delay (late minutes only)	9.7 min	—	16.5 min	9.4 min
Scheduled departures a day	798	—	875	18,793
Scheduled departures	23,934	—	319,208	563,777

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	8,467	35%	81.5%	1.3 min	0.2%
UA United Airlines	7,748	32%	86.7%	-2.3 min	0.0%
OO SkyWest Airlines	3,735	16%	85.5%	1.6 min	0.3%
F9 Frontier Airlines	1,889	8%	84.3%	-2.7 min	0.1%
DL Delta Air Lines	972	4%	90.7%	-6.4 min	0.0%
AA American Airlines	715	3%	84.2%	2.2 min	0.0%
AS Alaska Airlines	147	1%	83.7%	-3.8 min	0.0%
NK Spirit Airlines	120	1%	71.7%	13.3 min	0.8%
B6 JetBlue Airways	96	0%	83.3%	1.5 min	0.0%
G4 Allegiant Air	45	0%	82.2%	-1.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DEN–PHX	Denver to Phoenix	798	81.5%	-0.1 min	0.1%
DEN–LAS	Denver to Las Vegas	754	86.6%	-2.9 min	0.4%
DEN–SLC	Denver to Salt Lake City	630	87.8%	-3.5 min	0.0%
DEN–LAX	Denver to Los Angeles	623	88.0%	-4.1 min	0.2%
DEN–SEA	Denver to Seattle	519	83.6%	-0.8 min	0.0%
DEN–ATL	Denver to Atlanta	512	85.5%	-2.9 min	0.0%
DEN–DFW	Denver to Dallas/Fort Worth	506	85.0%	4.4 min	0.0%
DEN–ORD	Denver to Chicago	506	85.2%	-1.3 min	0.0%
DEN–MSP	Denver to Minneapolis	499	84.8%	-1.5 min	0.2%
DEN–SFO	Denver to San Francisco	463	83.8%	-2.9 min	0.0%
DEN–SAN	Denver to San Diego	462	86.6%	-6.2 min	0.2%
DEN–LGA	Denver to New York	421	86.7%	-5.4 min	0.2%

By scheduled departure hour

100

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), November 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2023	Minutes
Air carrier	41.3%	42.5%	77,530
Late-arriving aircraft	36.1%	37.3%	67,676
National Aviation System	16.8%	16.2%	31,531
Extreme weather	5.6%	3.7%	10,577
Security	0.2%	0.3%	355

187,669 delay minutes on 3,656 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 November 2023?

83.6% of 23,934 scheduled domestic departures left less than 15 minutes late, and 84.5% reached their destination on time. The national figures that month were 86.0% and 86.2%.

How does that compare with a year earlier?

November 2022 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 November 2023; 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.