Ted Stevens Anchorage International in August 2023

83.5%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 August 2023, reporting carriers scheduled 2,104 domestic departures from Ted Stevens Anchorage International (ANC). 83.5% left less than 15 minutes late and 83.0% reached their destination on time; 0.6% were cancelled.

Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so ANC departures were 6.8 points above the national departure figure.

Flights arriving at ANC that month were on time 78.4% of the time (2,104 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 47%, late-arriving aircraft 35% and national aviation system 16%.

On time 83.0%
Arrived 15+ minutes late 16.1%
Cancelled 0.6%
Diverted 0.2%

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

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

Measure	Aug 2023	Year earlier	ANC, 12 months to Jul 2026	All reported flights, Aug 2023
Departed on time	83.5%	—	82.7%	76.7%
Arrived on time	83.0%	—	83.5%	76.9%
Cancelled	0.6%	—	1.1%	1.5%
Average departure delay (late minutes only)	10.4 min	—	11.7 min	17.3 min
Scheduled departures a day	70	—	55	20,100
Scheduled departures	2,104	—	20,008	602,987

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	1,463	70%	82.4%	0.6 min	0.8%
DL Delta Air Lines	331	16%	91.8%	-1.9 min	0.0%
UA United Airlines	217	10%	82.5%	12.3 min	0.5%
AA American Airlines	93	4%	62.4%	16.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ANC–SEA	Anchorage to Seattle	850	85.1%	0.3 min	0.2%
ANC–ORD	Anchorage to Chicago	155	68.4%	5.3 min	0.0%
ANC–JNU	Anchorage to Juneau	120	90.0%	-2.1 min	0.0%
ANC–MSP	Anchorage to Minneapolis	114	93.9%	-5.5 min	0.0%
ANC–DEN	Anchorage to Denver	93	84.9%	8.3 min	0.0%
ANC–ADQ	Anchorage to Kodiak	79	82.3%	-1.3 min	2.5%
ANC–BET	Anchorage to Bethel	62	74.2%	3.6 min	6.5%
ANC–DFW	Anchorage to Dallas/Fort Worth	62	75.8%	13.6 min	0.0%
ANC–SFO	Anchorage to San Francisco	62	79.0%	22.7 min	0.0%
ANC–FAI	Anchorage to Fairbanks	55	85.5%	-1.1 min	0.0%
ANC–AKN	Anchorage to King Salmon	39	89.7%	-11.4 min	0.0%
ANC–SCC	Anchorage to Deadhorse	37	78.4%	-1.0 min	5.4%

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), August 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2023	Minutes
Air carrier	47.4%	36.7%	8,602
Late-arriving aircraft	35.4%	42.2%	6,438
National Aviation System	16.1%	15.7%	2,917
Extreme weather	1.0%	5.1%	181
Security	0.1%	0.2%	25

18,163 delay minutes on 339 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 August 2023?

83.5% of 2,104 scheduled domestic departures left less than 15 minutes late, and 83.0% reached their destination on time. The national figures that month were 76.7% and 76.9%.

How does that compare with a year earlier?

August 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 August 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.