On-Time Report

Airports › Denver (DEN) › January 2026

Airport month · January 2026

Denver International in January 2026

79.9%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 January 2026, reporting carriers scheduled 24,484 domestic departures from Denver International (DEN). 79.9% left less than 15 minutes late and 80.7% reached their destination on time; 1.7% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so DEN departures were 4.3 points above the national departure figure.

A year earlier, in January 2025, the airport had 24,732 departures with 75.6% leaving on time: a change of +4.3 points, with flights down 1%.

Flights arriving at DEN that month were on time 82.1% of the time (24,485 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 36% and national aviation system 22%.

Every scheduled departure from DEN in January 2026, judged by arrival at the destination.

January 2026 against a year earlier, the airport's year and the nation

MeasureJan 2026Jan 2025DEN, 12 months to Jul 2026All reported flights, Jan 2026
Departed on time79.9%75.6%75.7%75.6%
Arrived on time80.7%73.9%76.1%75.3%
Cancelled1.7%1.3%0.7%4.7%
Average departure delay (late minutes only)12.5 min15.1 min16.5 min16.7 min
Scheduled departures a day81682487518,133
Scheduled departures24,48424,732319,208544,003

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
UA United Airlines8,46735%82.6%-0.9 min1.1%
WN Southwest Airlines6,54627%81.9%-1.6 min1.5%
OO SkyWest Airlines6,15625%78.8%4.0 min2.1%
F9 Frontier Airlines1,5686%77.4%1.1 min1.4%
DL Delta Air Lines8113%81.6%-0.2 min1.7%
AA American Airlines6463%72.0%15.0 min8.2%
AS Alaska Airlines1731%82.7%-1.9 min0.6%
B6 JetBlue Airways680%73.5%1.9 min5.9%
MQ Envoy Air460%67.4%6.9 min0.0%
G4 Allegiant Air30%66.7%1.3 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
DEN–PHXDenver to Phoenix73679.5%1.7 min1.0%
DEN–SLCDenver to Salt Lake City63483.6%-2.1 min0.0%
DEN–LAXDenver to Los Angeles60084.0%-5.4 min0.0%
DEN–LASDenver to Las Vegas56483.2%-2.3 min0.2%
DEN–SANDenver to San Diego50080.8%-3.7 min0.2%
DEN–DFWDenver to Dallas/Fort Worth47971.6%12.0 min8.1%
DEN–SFODenver to San Francisco43580.7%3.8 min0.0%
DEN–ATLDenver to Atlanta43181.4%-1.3 min1.9%
DEN–SEADenver to Seattle43083.0%-0.4 min0.0%
DEN–AUSDenver to Austin42883.2%-2.9 min2.8%
DEN–MSPDenver to Minneapolis40980.4%3.5 min0.5%
DEN–MCODenver to Orlando39083.3%-1.9 min0.0%

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), January 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Jan 2026Minutes
Air carrier39.0%37.3%99,927
Late-arriving aircraft35.5%35.0%90,805
National Aviation System21.5%18.0%54,972
Extreme weather4.0%9.6%10,339
Security0.0%0.1%16
256,059 delay minutes on 4,242 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← December 2025February 2026 →

Questions and answers

How many flights left DEN on time in January 2026?

79.9% of 24,484 scheduled domestic departures left less than 15 minutes late, and 80.7% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 75.6% of 24,732 departures left on time and 1.3% were cancelled, against 79.9% and 1.7% in January 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2026; 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.