Ted Stevens Anchorage International in September 2024

87.5%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 September 2024, reporting carriers scheduled 1,670 domestic departures from Ted Stevens Anchorage International (ANC). 87.5% left less than 15 minutes late and 87.7% reached their destination on time; 0.2% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so ANC departures were 3.1 points above the national departure figure.

A year earlier, in September 2023, the airport had 1,564 departures with 86.1% leaving on time: a change of +1.4 points, with flights up 7%.

Flights arriving at ANC that month were on time 81.2% of the time (1,671 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 55%, late-arriving aircraft 30% and national aviation system 13%.

On time 87.7%
Arrived 15+ minutes late 12.0%
Cancelled 0.2%
Diverted 0.1%

Every scheduled departure from ANC in September 2024, judged by arrival at the destination.

September 2024 against a year earlier, the airport's year and the nation

Measure	Sep 2024	Sep 2023	ANC, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	87.5%	86.1%	82.7%	84.4%
Arrived on time	87.7%	84.2%	83.5%	83.9%
Cancelled	0.2%	0.5%	1.1%	0.6%
Average departure delay (late minutes only)	7.7 min	7.8 min	11.7 min	10.6 min
Scheduled departures a day	56	52	55	19,421
Scheduled departures	1,670	1,564	20,008	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	1,279	77%	86.0%	-1.0 min	0.2%
DL Delta Air Lines	235	14%	94.5%	-10.2 min	0.0%
UA United Airlines	119	7%	92.4%	-1.0 min	0.8%
AA American Airlines	37	2%	86.5%	-6.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ANC–SEA	Anchorage to Seattle	662	85.5%	-0.4 min	0.3%
ANC–JNU	Anchorage to Juneau	120	90.8%	-5.2 min	0.0%
ANC–ADQ	Anchorage to Kodiak	90	90.0%	-5.1 min	0.0%
ANC–ORD	Anchorage to Chicago	85	91.8%	2.6 min	1.2%
ANC–MSP	Anchorage to Minneapolis	68	92.6%	-12.9 min	0.0%
ANC–FAI	Anchorage to Fairbanks	65	96.9%	-7.0 min	0.0%
ANC–BET	Anchorage to Bethel	60	85.0%	-1.3 min	0.0%
ANC–DEN	Anchorage to Denver	48	95.8%	-10.1 min	0.0%
ANC–SCC	Anchorage to Deadhorse	46	95.7%	-8.0 min	0.0%
ANC–SFO	Anchorage to San Francisco	35	74.3%	6.7 min	0.0%
ANC–DFW	Anchorage to Dallas/Fort Worth	34	88.2%	-8.7 min	0.0%
ANC–OME	Anchorage to Nome	31	90.3%	-4.0 min	0.0%

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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	55.3%	38.6%	5,748
Late-arriving aircraft	29.6%	38.4%	3,075
National Aviation System	12.6%	18.2%	1,310
Extreme weather	2.5%	4.8%	258
Security	0.0%	0.1%	0

10,391 delay minutes on 200 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 September 2024?

87.5% of 1,670 scheduled domestic departures left less than 15 minutes late, and 87.7% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 86.1% of 1,564 departures left on time and 0.5% were cancelled, against 87.5% and 0.2% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; 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.