Airport · CDB · Cold Bay, Alaska
Cold Bay, AK
Cold Bay, AK posts bottom-quartile 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 524 flights (2020–2025); its biggest delay driver is late aircraft.
Data updated 2026-06-13
- 62.6%
- On-time
- Top 100%
- on-time, US airports
- 46 min
- Delay when late
- 4.20%
- Cancelled
Key Performance Metrics
Total Flights
524
Best Month
Apr 93.8%
Worst Month
Oct 61.1%
Delayed
196
Cancelled
22
CDB on-time rate vs. the national average
Behind the U.S. average across all 382 tracked airports.
Where CDB sits among all 382 tracked airports
CDB's 62.6% on-time rate falls in the 60-65% band, the only 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 CDB is marked in the 60-65% band.
Delay Cause Breakdown
Top delay cause: Late Aircraft. Total delay minutes: 5,805.
CDB - seasonal on-time pattern
Best: April (93.8%) · worst: October (61.1%)
Seasonal Performance Patterns
Monthly averages across all years of data. Best month: April (93.8% on-time). Most delays: October (61.1% on-time).
| Month | Avg Flights | Avg Delayed | Avg Cancelled | On-Time % |
|---|---|---|---|---|
| December | 36 | 19 | 2 | 72.2% |
| November | 32 | 14 | 6 | 75% |
| October | 36 | 23 | 2 | 61.1% |
| September | 36 | 27 | 1 | 61.1% |
| August | 26 | 9 | 0 | 80.8% |
| July | 36 | 15 | 1 | 80.6% |
| June | 34 | 8 | 0 | 83.8% |
| May | 28 | 9 | 1 | 82.1% |
| April | 32 | 3 | 2 | 93.8% |
| March | 36 | 9 | 1 | 86.1% |
| February | 32 | 11 | 2 | 87.5% |
| January | 36 | 11 | 3 | 88.9% |
Year-Over-Year Performance
Annual flight volume and on-time trends at CDB.
CDB - on-time rate by year
2020–2021, year-over-year trend.
| Year | Flights | Delayed | Cancelled | On-Time % |
|---|---|---|---|---|
| 2021 | 260 | 31 | 9 | 88.1% |
| 2020 | 264 | 75 | 13 | 71.6% |
Cancellation & Diversion Analysis
Flight disruption statistics for Cold Bay, AK.
Cancellation Rate
4.20%
22 of 524 flights
Diversion Rate
0.00%
0 of 524 flights
Delay Rate
37.4%
196 of 524 flights
Monthly Performance
Recent 24 months of flight data.
| Period | Flights | Dep Delayed | Arr Delayed | Cancelled | Diverted |
|---|---|---|---|---|---|
| Aug 2021 | 16 | 4 | 4 | 0 | 0 |
| Jul 2021 | 36 | 4 | 6 | 0 | 0 |
| Jun 2021 | 36 | 2 | 1 | 0 | 0 |
| May 2021 | 36 | 6 | 5 | 1 | 0 |
| Apr 2021 | 32 | 2 | 1 | 2 | 0 |
| Mar 2021 | 36 | 5 | 4 | 1 | 0 |
| Feb 2021 | 32 | 4 | 7 | 2 | 0 |
| Jan 2021 | 36 | 4 | 7 | 3 | 0 |
| Dec 2020 | 36 | 10 | 9 | 2 | 0 |
| Nov 2020 | 32 | 8 | 6 | 6 | 0 |
| Oct 2020 | 36 | 14 | 9 | 2 | 0 |
| Sep 2020 | 36 | 14 | 13 | 1 | 0 |
| Aug 2020 | 36 | 6 | 4 | 0 | 0 |
| Jul 2020 | 36 | 10 | 9 | 2 | 0 |
| Jun 2020 | 32 | 9 | 3 | 0 | 0 |
| May 2020 | 20 | 4 | 2 | 0 | 0 |
Airports With a Similar On-Time Rate
Other U.S. airports nationwide whose on-time rate is closest to Cold Bay, AK's 62.6%.
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 Cold Bay, AK.
Alaska flight data
Statewide on-time and delay aggregates, plus every reporting airport in Alaska.
View AK data →Airport rankings
See where CDB sits among U.S. airports on on-time rate and average delay.
Best on-time airports →Compare airports
Put CDB head-to-head with another airport on delays and reliability.
Open comparison tool →What the Data Says About CDB
Cold Bay, AK in Cold Bay, Alaska handled 524 flights in the Bureau of Transportation Statistics dataset between 2020 and 2021, posting a 62.6% on-time departure rate. Of those flights, 196 experienced delays, 22 were cancelled, and 0 were diverted. The cancellation rate works out to 4.20%, the diversion rate to 0.00%, and the average delay when departures run late is 45.5 minutes. These figures are the baseline for comparing CDB against other airports in the same state and nationally.
Breaking down what drives delays at CDB, Late Aircraft leads the pack. Late Aircraft accounts for 38.7% of total delay minutes, followed by Security at 28.2% and NAS (National Aviation System) at 18.6%. Weather contributes 4.9% of delay minutes at this airport, while security holds the smallest share at 28.2%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.
Seasonally, April runs the cleanest at CDB with a 93.8% on-time rate, while October is the roughest at 61.1% - a 33-point swing between best and worst month. Volume peaks in December, when average flights hit 36. Combine these numbers - 62.6% on-time, 45.5-minute average delay, 4.20% cancellation rate, and you have a concrete picture of departure reliability at Cold Bay, AK.
Frequently Asked Questions
What is the on-time performance rate at Cold Bay, AK (CDB)? ▼
What is the most common cause of delays at CDB? ▼
What is the average delay time at CDB? ▼
What is the best month to fly from CDB? ▼
What is the worst month for delays at CDB? ▼
How many routes operate from CDB? ▼
What is the cancellation rate at CDB? ▼
Flight Guides
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Using CDB's data
An airport-level on-time rate is a starting point, not a guarantee for your specific flight.
- Compare CDB against airports with a similar on-time rate. Compare airports
- Travel in April rather than October 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.