On-Time Report

Airports › Las Vegas (LAS) › December 2023

Airport month · December 2023

Harry Reid International in December 2023

81.6%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 December 2023, reporting carriers scheduled 15,872 domestic departures from Harry Reid International (LAS). 81.6% left less than 15 minutes late and 83.0% reached their destination on time; 0.2% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so LAS departures were 1.5 points below the national departure figure.

Flights arriving at LAS that month were on time 84.7% of the time (15,872 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, air carrier 37% and national aviation system 19%.

Every scheduled departure from LAS in December 2023, judged by arrival at the destination.

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

MeasureDec 2023Year earlierLAS, 12 months to Jul 2026All reported flights, Dec 2023
Departed on time81.6%—73.8%83.1%
Arrived on time83.0%—76.8%83.8%
Cancelled0.2%—0.9%0.4%
Average departure delay (late minutes only)10.9 min—16.3 min11.6 min
Scheduled departures a day529—47419,013
Scheduled departures15,872—172,932570,394

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines7,72949%81.4%2.3 min0.4%
NK Spirit Airlines2,20614%83.5%1.1 min0.1%
DL Delta Air Lines1,3128%91.8%-4.0 min0.0%
UA United Airlines1,1077%84.8%0.5 min0.1%
AA American Airlines1,0517%84.1%5.8 min0.1%
F9 Frontier Airlines8205%82.9%1.5 min0.0%
G4 Allegiant Air6994%85.8%0.3 min0.1%
AS Alaska Airlines4243%80.2%0.3 min0.0%
B6 JetBlue Airways2031%71.4%11.2 min0.0%
OO SkyWest Airlines1971%80.2%3.8 min0.5%
HA Hawaiian Airlines1241%65.3%34.2 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
LAS–LAXLas Vegas to Los Angeles84478.4%7.1 min0.0%
LAS–DENLas Vegas to Denver73782.8%2.4 min0.4%
LAS–SANLas Vegas to San Diego58586.2%-1.1 min0.2%
LAS–SEALas Vegas to Seattle56485.8%-3.2 min0.0%
LAS–PHXLas Vegas to Phoenix55183.3%3.9 min0.2%
LAS–SMFLas Vegas to Sacramento50286.3%-1.5 min0.4%
LAS–DFWLas Vegas to Dallas/Fort Worth46386.6%5.2 min0.0%
LAS–SFOLas Vegas to San Francisco44972.2%10.2 min0.4%
LAS–OAKLas Vegas to Oakland43681.9%1.6 min0.7%
LAS–ATLLas Vegas to Atlanta42289.8%-2.3 min0.0%
LAS–ORDLas Vegas to Chicago38788.4%-3.6 min0.0%
LAS–SJCLas Vegas to San Jose38088.9%-4.6 min0.5%

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), December 2023.

Delay causes

BTS cause categoryShare of delay minutesNational, Dec 2023Minutes
Air carrier37.2%37.1%52,429
Late-arriving aircraft40.5%38.8%57,111
National Aviation System19.0%17.6%26,745
Extreme weather2.4%6.2%3,423
Security1.0%0.3%1,405
141,113 delay minutes on 2,650 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← November 2023January 2024 →

Questions and answers

How many flights left LAS on time in December 2023?

81.6% of 15,872 scheduled domestic departures left less than 15 minutes late, and 83.0% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 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 December 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for LAS · methodology · corrections.