Airport · DLG · Dillingham, Alaska
Dillingham, AK
Dillingham, AK posts below-median on-time performance among the 382 tracked U.S. airports, as a smaller regional airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 2,866 flights (2020–2025); its biggest delay driver is late aircraft.
Data updated 2026-06-13
- 82.6%
- On-time
- Top 59%
- on-time, US airports
- 54 min
- Delay when late
- 2.93%
- Cancelled
Key Performance Metrics
Total Flights
2,866
Best Month
Aug 95.4%
Worst Month
Jan 77.5%
Delayed
500
Cancelled
84
DLG on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Where DLG sits among all 382 tracked airports
DLG's 82.6% on-time rate falls in the 80-85% band, the 192-airport band it shares.
National on-time-rate distribution
- 60-65% 1
1 airport between 60% and 65% on-time
1 airports
- 65-70% 4
4 airports between 65% and 70% on-time
4 airports
- 70-75% 9
9 airports between 70% and 75% on-time
9 airports
- 75-80% 48
48 airports between 75% and 80% on-time
48 airports
- 80-85%
192 airports between 80% and 85% on-time
192 airports
- 85-90%
116 airports between 85% and 90% on-time
116 airports
- 90-95% 12
12 airports between 90% and 95% on-time
12 airports
What this shows DLG is marked in the 80-85% band.
Delay Cause Breakdown
Top delay cause: Late Aircraft. Total delay minutes: 15,836.
DLG - seasonal on-time pattern
Best: August (95.4%) · worst: January (77.5%)
Seasonal Performance Patterns
Monthly averages across all years of data. Best month: August (95.4% on-time). Most delays: January (77.5% on-time).
| Month | Avg Flights | Avg Delayed | Avg Cancelled | On-Time % |
|---|---|---|---|---|
| December | 60 | 22 | 8 | 80.8% |
| November | 58 | 16 | 0 | 84.5% |
| October | 41 | 8 | 1 | 90.2% |
| September | 64 | 14 | 1 | 86.3% |
| August | 84 | 9 | 1 | 95.4% |
| July | 84 | 10 | 1 | 92.2% |
| June | 66 | 10 | 1 | 91.7% |
| May | 51 | 5 | 0 | 95% |
| April | 60 | 10 | 3 | 88.3% |
| March | 62 | 12 | 9 | 86.3% |
| February | 56 | 15 | 7 | 84.8% |
| January | 60 | 21 | 4 | 77.5% |
Year-Over-Year Performance
Annual flight volume and on-time trends at DLG.
DLG - on-time rate by year
2020–2025, year-over-year trend.
| Year | Flights | Delayed | Cancelled | On-Time % |
|---|---|---|---|---|
| 2025 | 228 | 21 | 1 | 90.8% |
| 2024 | 220 | 13 | 3 | 94.1% |
| 2023 | 290 | 23 | 4 | 92.1% |
| 2022 | 888 | 103 | 36 | 88.4% |
| 2021 | 960 | 104 | 39 | 89.2% |
| 2020 | 280 | 26 | 1 | 90.7% |
Cancellation & Diversion Analysis
Flight disruption statistics for Dillingham, AK.
Cancellation Rate
2.93%
84 of 2,866 flights
Diversion Rate
0.00%
0 of 2,866 flights
Delay Rate
17.4%
500 of 2,866 flights
Monthly Performance
Recent 24 months of flight data.
| Period | Flights | Dep Delayed | Arr Delayed | Cancelled | Diverted |
|---|---|---|---|---|---|
| Oct 2025 | 6 | 1 | 1 | 0 | 0 |
| Sep 2025 | 60 | 6 | 3 | 0 | 0 |
| Aug 2025 | 62 | 9 | 7 | 1 | 0 |
| Jul 2025 | 62 | 3 | 2 | 0 | 0 |
| Jun 2025 | 38 | 2 | 4 | 0 | 0 |
| Sep 2024 | 60 | 5 | 3 | 1 | 0 |
| Aug 2024 | 62 | 1 | 2 | 1 | 0 |
| Jul 2024 | 62 | 5 | 3 | 0 | 0 |
| Jun 2024 | 36 | 2 | 3 | 1 | 0 |
| Sep 2023 | 60 | 8 | 9 | 1 | 0 |
| Aug 2023 | 70 | 2 | 4 | 1 | 0 |
| Jul 2023 | 68 | 7 | 4 | 1 | 0 |
| Jun 2023 | 64 | 6 | 5 | 1 | 0 |
| May 2023 | 28 | 0 | 0 | 0 | 0 |
| Dec 2022 | 60 | 10 | 10 | 4 | 0 |
| Nov 2022 | 58 | 3 | 6 | 0 | 0 |
| Oct 2022 | 62 | 6 | 7 | 3 | 0 |
| Sep 2022 | 72 | 18 | 8 | 1 | 0 |
| Aug 2022 | 124 | 7 | 9 | 0 | 0 |
| Jul 2022 | 124 | 11 | 8 | 1 | 0 |
| Jun 2022 | 88 | 10 | 7 | 1 | 0 |
| May 2022 | 62 | 4 | 6 | 0 | 0 |
| Apr 2022 | 60 | 4 | 3 | 1 | 0 |
| Mar 2022 | 62 | 6 | 1 | 10 | 0 |
Top Routes from DLG
Busiest routes to and from Dillingham, AK.
| Route | Flights | On-Time | Distance |
|---|---|---|---|
| DLG (Dillingham) → ANC (Anchorage) | 1,168 | 78.1% | 329 mi |
| ANC (Anchorage) → DLG (Dillingham) | 1,089 | 86.2% | 329 mi |
Airports With a Similar On-Time Rate
Other U.S. airports nationwide whose on-time rate is closest to Dillingham, AK's 82.6%.
Other Airports in Alaska
Compare performance with other Alaska airports.
Anchorage, AK
Anchorage · 214,443 flights
Juneau, AK
Juneau · 52,533 flights
Fairbanks, AK
Fairbanks · 44,233 flights
Ketchikan, AK
Ketchikan · 27,238 flights
Sitka, AK
Sitka · 14,900 flights
Kodiak, AK
Kodiak · 9,654 flights
Petersburg, AK
Petersburg · 8,696 flights
Wrangell, AK
Wrangell · 8,696 flights
Keep exploring
More flight data around Dillingham, AK.
Alaska flight data
Statewide on-time and delay aggregates, plus every reporting airport in Alaska.
View AK data →Airport rankings
See where DLG sits among U.S. airports on on-time rate and average delay.
Best on-time airports →Compare airports
Put DLG head-to-head with another airport on delays and reliability.
Open comparison tool →What the Data Says About DLG
Dillingham, AK in Dillingham, Alaska handled 2,866 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 82.6% on-time departure rate. Of those flights, 500 experienced delays, 84 were cancelled, and 0 were diverted. The cancellation rate works out to 2.93%, the diversion rate to 0.00%, and the average delay when departures run late is 54.2 minutes. These figures are the baseline for comparing DLG against other airports in the same state and nationally.
Breaking down what drives delays at DLG, Late Aircraft leads the pack. Late Aircraft accounts for 41.8% of total delay minutes, followed by Carrier at 24.8% and NAS (National Aviation System) at 15.5%. Weather contributes 5.9% of delay minutes at this airport, while security holds the smallest share at 11.9%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.
Seasonally, August runs the cleanest at DLG with a 95.4% on-time rate, while January is the roughest at 77.5% - a 18-point swing between best and worst month. Volume peaks in August, when average flights hit 84. The busiest route connecting DLG is to ANC (Anchorage), with 1,168 flights at a 78.1% on-time rate. Combine these numbers - 82.6% on-time, 54.2-minute average delay, 2.93% cancellation rate, and you have a concrete picture of departure reliability at Dillingham, AK.
Frequently Asked Questions
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What is the average delay time at DLG? ▼
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Flight Guides
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Using DLG's data
An airport-level on-time rate is a starting point, not a guarantee for your specific flight.
- Check the busiest route from DLG before you book a connection. See top routes
- Travel in August rather than January if your dates are flexible. Seasonal patterns
- Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Related
Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.