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Route · ANC → DLG · 2020–2025 BTS data

Anchorage to Dillingham

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ANC to DLG (Anchorage to Dillingham) ranks #4436 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

86.2%
On-time
+7.2 pts
vs US avg
54 min
Delay when late
1,089
Flights
#4436 of 4927
Corpus placement

Cancelled

5.6%

Best Month

Aug 2021 95%

Worst Month

Aug 2022 85%

Distance

329 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Sep 2025 30 3 0 0 AS
Aug 2025 31 7 1 0 AS
Jul 2025 31 2 0 0 AS
Sep 2024 30 3 1 1 AS
Aug 2024 31 2 1 1 AS
Jul 2024 31 3 0 2 AS
Sep 2023 30 9 1 0 AS
Aug 2023 35 4 1 0 AS
Jul 2023 34 4 1 0 AS
Jun 2023 32 5 1 0 AS
Dec 2022 30 10 4 2 QX
Oct 2022 31 7 3 0 QX
Sep 2022 36 8 1 0 QX,AS
Aug 2022 62 9 0 0 AS,QX
Jul 2022 62 8 1 0 QX,AS
Jun 2022 44 7 1 0 QX,AS
May 2022 31 6 0 0 QX,AS
Apr 2022 30 3 1 0 QX
Mar 2022 31 1 10 0 QX
Jan 2022 30 12 4 0 QX
Dec 2021 30 11 12 0 QX
Oct 2021 31 4 0 0 QX
Sep 2021 37 2 0 1 QX,AS
Aug 2021 62 3 4 0 QX,AS

ANC–DLG seasonal on-time pattern

Best: March (96.8%) · weakest: January (60.0%)

50%60%70%80%90%100% JanMarAprMayJunJulAugSepOctDec 65%

Strongest calendar month

March

96.8% on-time · ~31 flights/mo

Busiest calendar month

June

~45 flights/mo avg

Weakest calendar month

January

60.0% on-time · ~30 flights/mo

Cancellation Rate

5.6%

48 of 862 flights

Diversion Rate

0.8%

7 of 862 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

DLG - Dillingham

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

DLG on-time profile

Compare the two airports

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

Compare ANC vs DLG

Origin-hub reliability standing

Among ANC's stronger departures

ANC → DLG posts a 86.2% on-time rate, landing in the ≥85% band with 10 of 21 BTS-tracked routes leaving Anchorage. The same hub also shows 10 mid-band and 1 challenged departures · fleet-wide on-time rank #835 of 4927 (highest on-time = #1).

What the Data Says About ANC to DLG

Anchorage to Dillingham (ANC to DLG) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.2% on-time rate across 1,089 flights, with delays that do happen averaging 54.0 minutes. The corridor runs roughly 329 miles and is served by 4 carriers. Over the most recent 24 months, 48 of 862 flights were cancelled (5.6%) and 7 diverted (0.8%).

Monthly performance varies moderately here: Aug 2021 was the strongest month at 95% on-time versus Aug 2022 at 85%, a 10-point difference.

On the multi-year calendar, ANC–DLG peaks in March at 96.8% on-time while June carries the heaviest traffic (~45 flights per month) ; the softest month is January at 60.0%, a 36.8-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ANC to DLG rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ANC to DLG ranks #4436 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 DLG? ▼
Flights from Anchorage to Dillingham have a 86.2% on-time rate based on 1,089 flights. The average delay is 54.0 minutes. The best recent month was Aug 2021 with 95% on-time.
What is the cancellation rate for ANC to DLG? ▼
Over the last 24 months, 5.6% of flights on this route were cancelled (48 of 862 flights) and 0.8% were diverted.
How far is the flight from ANC to DLG? ▼
The flight distance from Anchorage (ANC) to Dillingham (DLG) is approximately 329 miles. This route is served by 4 carriers.
When is the best time to fly from ANC to DLG? ▼
The best recent month for on-time performance was Aug 2021 (95% on-time). The worst was Aug 2022 (85% on-time). Consider booking during months with historically better performance.

Airports on this route

ANC Airport

Anchorage
DLG Airport

Dillingham
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–DLG data

ANC–DLG runs 7.2 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare ANC and DLG airport profiles: delay causes and top routes differ even on the same corridor. ANC airport
  • If your dates flex, March (96.8% on-time) beats January (60.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 86.2% 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.