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Route · SFO → ANC · 2020–2025 BTS data

San Francisco to Anchorage

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFO to ANC (San Francisco to Anchorage) ranks #4537 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.1%
On-time
+3.1 pts
vs US avg
53 min
Delay when late
964
Flights
#4537 of 4927
Corpus placement

Cancelled

0.2%

Best Month

Sep 2025 98%

Worst Month

Jul 2024 74%

Distance

2,018 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Sep 2025 55 1 0 0 UA,AS
Aug 2025 67 7 0 0 UA,AS
Jul 2025 70 13 0 0 AS,UA
Jun 2025 64 7 0 0 AS,UA
Sep 2024 35 16 0 0 UA,AS
Aug 2024 70 13 0 0 AS,UA
Jul 2024 70 18 0 0 AS,UA
Jun 2024 64 15 1 0 AS,UA
Aug 2023 62 11 0 1 AS,UA
Jul 2023 62 8 0 0 AS,UA
Jun 2023 59 8 0 0 AS,UA
Aug 2022 62 12 1 0 AS,UA
Jul 2022 62 15 0 2 UA,AS
Jun 2022 50 12 0 0 UA,AS
Aug 2021 36 8 0 0 UA,AS
Jul 2021 46 4 0 0 UA,AS
Jun 2021 30 5 0 0 UA,AS

Cancellation Rate

0.2%

2 of 964 flights

Diversion Rate

0.3%

3 of 964 flights

Explore origin & destination

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

SFO - San Francisco

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

SFO on-time profile

ANC - Anchorage

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

ANC on-time profile

Compare the two airports

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

Compare SFO vs ANC

Origin-hub reliability standing

Mid-pack among SFO departures

From SFO, this corridor sits with 50 other 75–85% on-time routes out of 73 tracked departures, not the hub's reliability leaders (20 at ≥85%) and not the softest ( 3 below 75%). Destination: Anchorage · fleet on-time rank #2325 of 4927.

What the Data Says About SFO to ANC

Bureau of Transportation Statistics records show San Francisco to Anchorage (SFO to ANC) running a 82.1% on-time rate over 964 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 53.1 minutes. The 2,018-mile corridor is served by 2 carriers, and over the last 24 months 0.2% of 964 flights were cancelled, 0.3% diverted.

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 98% on-time, while Jul 2024 came in at just 74% - a 24-point swing worth factoring into travel timing.

On the multi-year calendar, SFO–ANC peaks in August at 82.8% on-time while July carries the heaviest traffic (~62 flights per month) ; the softest month is September at 81.1%, a 1.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SFO to ANC rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SFO to ANC ranks #4537 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 SFO to ANC? ▼
Flights from San Francisco to Anchorage have a 82.1% on-time rate based on 964 flights. The average delay is 53.1 minutes. The best recent month was Sep 2025 with 98% on-time.
What is the cancellation rate for SFO to ANC? ▼
Over the last 24 months, 0.2% of flights on this route were cancelled (2 of 964 flights) and 0.3% were diverted.
How far is the flight from SFO to ANC? ▼
The flight distance from San Francisco (SFO) to Anchorage (ANC) is approximately 2,018 miles. This route is served by 2 carriers.
When is the best time to fly from SFO to ANC? ▼
The best recent month for on-time performance was Sep 2025 (98% on-time). The worst was Jul 2024 (74% on-time). Consider booking during months with historically better performance.

Airports on this route

SFO Airport

San Francisco
ANC Airport

Anchorage
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 SFO–ANC data

SFO–ANC runs 3.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SFO and ANC airport profiles: delay causes and top routes differ even on the same corridor. SFO airport
  • If your dates flex, August (82.8% on-time) beats September (81.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.1% 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.