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Route · ANC → SFO · 2020–2025 BTS data

Anchorage to San Francisco

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ANC to SFO (Anchorage to San Francisco) ranks #4538 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.5%
On-time
+1.5 pts
vs US avg
89 min
Delay when late
963
Flights
#4538 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Jun 2024 91%

Worst Month

Aug 2022 68%

Distance

2,018 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Sep 2025 55 10 0 0 UA,AS
Aug 2025 67 10 0 0 UA,AS
Jul 2025 70 14 0 1 AS,UA
Jun 2025 64 10 0 0 AS,UA
Sep 2024 35 9 0 0 UA,AS
Aug 2024 70 17 1 0 AS,UA
Jul 2024 70 16 1 0 AS,UA
Jun 2024 64 6 1 0 AS,UA
Aug 2023 62 12 0 1 AS,UA
Jul 2023 62 12 2 0 AS,UA
Jun 2023 59 11 1 0 AS,UA
Aug 2022 62 20 1 0 AS,UA
Jul 2022 62 10 0 0 UA,AS
Jun 2022 49 10 1 0 UA,AS
Aug 2021 37 4 0 0 UA,AS
Jul 2021 45 8 0 0 UA,AS
Jun 2021 30 9 0 0 UA,AS

Cancellation Rate

0.8%

8 of 963 flights

Diversion Rate

0.2%

2 of 963 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

ANC - Anchorage

Full on-time, delay-cause, and seasonal performance for Anchorage, AK.

ANC on-time profile

SFO - San Francisco

Full on-time, delay-cause, and seasonal performance for San Francisco, CA.

SFO on-time profile

Compare the two airports

See ANC and SFO side by side on delays, cancellations, and reliability.

Compare ANC vs SFO

Origin-hub reliability standing

Mid-pack among ANC departures

From ANC, this corridor sits with 10 other 75–85% on-time routes out of 21 tracked departures, not the hub's reliability leaders (10 at ≥85%) and not the softest ( 1 below 75%). Destination: San Francisco · fleet on-time rank #2902 of 4927.

What the Data Says About ANC to SFO

963 tracked flights put the ANC to SFO pairing (Anchorage to San Francisco) at a 80.5% on-time rate, squarely in line with the wider network. Delays that do occur run 89.1 minutes on average. Across the 2,018-mile route and its 2 carriers, the trailing 24 months show 0.8% cancelled and 0.2% diverted (963 flights sampled).

The monthly split is wide on this route: Jun 2024 posted the strongest performance at 91% on-time, while Aug 2022 came in at just 68% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, ANC–SFO peaks in June at 82.7% on-time while July carries the heaviest traffic (~62 flights per month) ; the softest month is September at 78.9%, a 3.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ANC to SFO rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ANC to SFO ranks #4538 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from ANC to SFO? ▼
Flights from Anchorage to San Francisco have a 80.5% on-time rate based on 963 flights. The average delay is 89.1 minutes. The best recent month was Jun 2024 with 91% on-time.
What is the cancellation rate for ANC to SFO? ▼
Over the last 24 months, 0.8% of flights on this route were cancelled (8 of 963 flights) and 0.2% were diverted.
How far is the flight from ANC to SFO? ▼
The flight distance from Anchorage (ANC) to San Francisco (SFO) is approximately 2,018 miles. This route is served by 2 carriers.
When is the best time to fly from ANC to SFO? ▼
The best recent month for on-time performance was Jun 2024 (91% on-time). The worst was Aug 2022 (68% on-time). Consider booking during months with historically better performance.

Airports on this route

ANC Airport

Anchorage
SFO Airport

San Francisco
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using ANC–SFO data

ANC–SFO is mid-pack at 80.5% on-time; month and carrier mix move more than the corridor headline.

  • Compare ANC and SFO airport profiles: delay causes and top routes differ even on the same corridor. ANC airport
  • If your dates flex, June (82.7% on-time) beats September (78.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.5% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.