Ted Stevens Anchorage International in May 2024

85.4%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 May 2024, reporting carriers scheduled 1,725 domestic departures from Ted Stevens Anchorage International (ANC). 85.4% left less than 15 minutes late and 87.1% reached their destination on time; 0.5% were cancelled.

Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so ANC departures were 12.0 points above the national departure figure.

Flights arriving at ANC that month were on time 70.8% of the time (1,724 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 53%, late-arriving aircraft 35% and national aviation system 11%.

On time 87.1%
Arrived 15+ minutes late 12.3%
Cancelled 0.5%
Diverted 0.1%

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

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

Measure	May 2024	Year earlier	ANC, 12 months to Jul 2026	All reported flights, May 2024
Departed on time	85.4%	—	82.7%	73.4%
Arrived on time	87.1%	—	83.5%	72.3%
Cancelled	0.5%	—	1.1%	1.4%
Average departure delay (late minutes only)	9.1 min	—	11.7 min	20.8 min
Scheduled departures a day	58	—	55	20,325
Scheduled departures	1,725	—	20,008	609,743

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	1,315	76%	88.3%	-4.4 min	0.5%
DL Delta Air Lines	215	12%	93.0%	-8.5 min	0.0%
UA United Airlines	138	8%	78.3%	-0.9 min	0.7%
AA American Airlines	57	3%	57.9%	40.1 min	3.5%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ANC–SEA	Anchorage to Seattle	701	90.0%	-8.1 min	0.6%
ANC–ORD	Anchorage to Chicago	135	74.1%	3.2 min	0.7%
ANC–JNU	Anchorage to Juneau	103	88.3%	-4.4 min	0.0%
ANC–FAI	Anchorage to Fairbanks	88	90.9%	-2.5 min	2.3%
ANC–ADQ	Anchorage to Kodiak	72	87.5%	-1.0 min	0.0%
ANC–BET	Anchorage to Bethel	62	87.1%	2.9 min	0.0%
ANC–MSP	Anchorage to Minneapolis	62	87.1%	-4.0 min	0.0%
ANC–DEN	Anchorage to Denver	56	87.5%	-8.8 min	0.0%
ANC–SCC	Anchorage to Deadhorse	50	90.0%	-5.4 min	0.0%
ANC–BRW	Anchorage to Barrow	31	80.6%	10.8 min	0.0%
ANC–CDV	Anchorage to Cordova	31	87.1%	-0.2 min	0.0%
ANC–DFW	Anchorage to Dallas/Fort Worth	31	54.8%	63.6 min	6.5%

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), May 2024.

Delay causes

BTS cause category	Share of delay minutes	National, May 2024	Minutes
Air carrier	53.3%	29.8%	6,459
Late-arriving aircraft	35.0%	43.0%	4,246
National Aviation System	10.7%	20.1%	1,291
Extreme weather	0.9%	7.0%	113
Security	0.0%	0.1%	6

12,115 delay minutes on 212 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 May 2024?

85.4% of 1,725 scheduled domestic departures left less than 15 minutes late, and 87.1% reached their destination on time. The national figures that month were 73.4% and 72.3%.

How does that compare with a year earlier?

May 2023 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 May 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.