Ted Stevens Anchorage International in December 2023

82.0%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 1,188 domestic departures from Ted Stevens Anchorage International (ANC). 82.0% left less than 15 minutes late and 75.7% reached their destination on time; 0.5% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so ANC departures were 1.1 points below the national departure figure.

Flights arriving at ANC that month were on time 81.3% of the time (1,190 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 37%, national aviation system 26% and late-arriving aircraft 26%.

On time 75.7%
Arrived 15+ minutes late 23.3%
Cancelled 0.5%
Diverted 0.5%

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

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

Measure	Dec 2023	Year earlier	ANC, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	82.0%	—	82.7%	83.1%
Arrived on time	75.7%	—	83.5%	83.8%
Cancelled	0.5%	—	1.1%	0.4%
Average departure delay (late minutes only)	12.1 min	—	11.7 min	11.6 min
Scheduled departures a day	40	—	55	19,013
Scheduled departures	1,188	—	20,008	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	956	80%	76.5%	4.4 min	0.6%
DL Delta Air Lines	152	13%	79.6%	3.6 min	0.0%
UA United Airlines	49	4%	53.1%	30.6 min	0.0%
AA American Airlines	31	3%	67.7%	5.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ANC–SEA	Anchorage to Seattle	557	79.4%	1.1 min	0.0%
ANC–JNU	Anchorage to Juneau	91	78.0%	3.8 min	1.1%
ANC–BET	Anchorage to Bethel	60	73.3%	7.3 min	0.0%
ANC–ADQ	Anchorage to Kodiak	49	75.5%	19.5 min	4.1%
ANC–SCC	Anchorage to Deadhorse	33	84.8%	3.0 min	3.0%
ANC–DEN	Anchorage to Denver	31	61.3%	30.6 min	0.0%
ANC–DFW	Anchorage to Dallas/Fort Worth	31	67.7%	5.6 min	0.0%
ANC–FAI	Anchorage to Fairbanks	31	77.4%	3.7 min	3.2%
ANC–HNL	Anchorage to Honolulu	31	67.7%	3.5 min	0.0%
ANC–LAX	Anchorage to Los Angeles	31	77.4%	6.6 min	0.0%
ANC–PHX	Anchorage to Phoenix	31	74.2%	1.6 min	0.0%
ANC–BRW	Anchorage to Barrow	30	46.7%	25.4 min	0.0%

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), December 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	36.8%	37.1%	5,741
Late-arriving aircraft	26.3%	38.8%	4,102
National Aviation System	26.4%	17.6%	4,115
Extreme weather	10.5%	6.2%	1,629
Security	0.0%	0.3%	0

15,587 delay minutes on 277 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 ANC on time in December 2023?

82.0% of 1,188 scheduled domestic departures left less than 15 minutes late, and 75.7% 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 ANC · methodology · corrections.