Alaska Airlines in December 2023

81.4%arrived 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, Alaska Airlines (AS) reported 19,400 scheduled domestic flights. 81.4% arrived on time, 0.7% were cancelled and 0.3% diverted.

All reporting carriers together recorded 83.8% on time and 0.4% cancelled that month, so the carrier was 2.4 points below the combined figure.

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 38%, air carrier 33% and national aviation system 25%.

On time 81.4%
Arrived 15+ minutes late 17.6%
Cancelled 0.7%
Diverted 0.3%

Every scheduled domestic flight reported by Alaska Airlines in December 2023.

December 2023 against a year earlier, the carrier's year and all carriers

Measure	Dec 2023	Year earlier	AS, 12 months to Jul 2026	All carriers, Dec 2023
Arrived on time	81.4%	—	78.5%	83.8%
Departed on time	81.4%	—	79.0%	83.1%
Cancelled	0.7%	—	1.2%	0.4%
Average arrival delay	-1.0 min	—	2.9 min	0.5 min
Scheduled flights a day	647	—	826	19,013
Scheduled flights	19,400	—	301,435	570,394

85 airports and 333 routes had AS flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
SEA Seattle	6,222	80.1%	1.4 min	0.4%
PDX Portland	1,345	81.7%	2.7 min	0.7%
ANC Anchorage	956	76.5%	4.4 min	0.6%
SFO San Francisco	897	80.0%	2.7 min	0.7%
SAN San Diego	787	80.8%	-0.1 min	0.3%
LAX Los Angeles	783	75.7%	3.2 min	0.0%
LAS Las Vegas	424	80.2%	0.3 min	0.0%
PHX Phoenix	386	86.0%	-0.5 min	0.3%
HNL Honolulu	371	84.6%	-5.9 min	0.3%
JFK New York	344	95.6%	-28.0 min	0.0%
JNU Juneau	334	79.6%	-2.5 min	3.6%
SNA Santa Ana	329	90.0%	-10.9 min	2.1%
MCO Orlando	281	87.5%	-8.7 min	0.0%
EWR Newark	264	86.4%	-17.0 min	0.0%
SJC San Jose	218	86.2%	-5.4 min	0.9%

By scheduled departure hour

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

Share of AS flights that arrived on time, by scheduled departure hour (local time at each origin), December 2023.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Dec 2023	Minutes
Air carrier	32.7%	37.1%	54,585
Late-arriving aircraft	37.6%	38.8%	62,843
National Aviation System	24.6%	17.6%	41,133
Extreme weather	4.2%	6.2%	7,048
Security	0.9%	0.3%	1,450

167,059 delay minutes on 3,417 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

What share of Alaska Airlines flights were on time in December 2023?

81.4% of 19,400 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 83.8% that month.

How does that compare with a year earlier?

December 2022 is outside the 36 months on file, or the carrier did not report that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2023; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for Alaska Airlines · methodology · corrections.