Airport reliability
Anchorage (ANC) on-time performance
How reliably flights leave Anchorage, AK (ANC) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Anchorage, AK20,163 departures in 12 months
- Departures on time
- 83.9% U.S. average 75.6%
- Cancelled
- 1.1% U.S. average 1.9%
- 60+ minutes late
- 4.4% U.S. average 8.1%
- Scheduled departures
- 20,163 12 months
What this means
ANC departures beat the U.S. average.
- 83.9% of the 20,163 scheduled departures from Anchorage (ANC) arrived at their destination on time, 8.3 points higher than the U.S. average of 75.6%.
- 1.1% of departures were cancelled (U.S. average 1.9%), and 4.4% arrived an hour or more late.
- Flights arriving at ANC were on time 77.3% of the time.
- Among airlines with at least 300 departures, Alaska Airlines was the most punctual from ANC (85.1%) and American Airlines the least (74.5%).
- Over the last 3 years, May was the most reliable month for departures from ANC (87.6% on time) and January the least reliable (73.9%).
- Cancellations peaked in January, when 4.7% of flights were cancelled.
- Flights scheduled to depart 7 am to 8 am were the most punctual (89.3% on time); flights scheduled to depart 8 pm to 9 pm were the least (74.1%).
Airlines at ANC
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| Alaska Airlines | 85.1% | 1.2% | 3.7% | 55 min | 15,096 |
| United Airlines | 82.5% | 1.5% | 4.6% | 71 min | 1,534 |
| Delta Air Lines | 82.0% | 0.9% | 6.8% | 101 min | 2,685 |
| American Airlines | 74.5% | 0.3% | 10.0% | 108 min | 619 |
| Southwest Airlines | 62.8% | 0.0% | 10.6% | 58 min | 218 |
| Hawaiian Airlines | Insufficient sample | 11 | |||
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time ANC average 83.9%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 88.8% | 3,054 |
| Departing 6 am to 7 am | 87.2% | 1,216 |
| Departing 7 am to 8 am | 89.3% | 919 |
| Departing 8 am to 9 am | 87.1% | 635 |
| Departing 9 am to 10 am | 87.7% | 1,063 |
| Departing 10 am to 11 am | 86.7% | 1,082 |
| Departing 11 am to noon | 88.0% | 1,067 |
| Departing noon to 1 pm | 84.8% | 723 |
| Departing 1 pm to 2 pm | 83.0% | 875 |
| Departing 2 pm to 3 pm | 79.4% | 1,375 |
| Departing 3 pm to 4 pm | 78.0% | 1,158 |
| Departing 4 pm to 5 pm | 81.1% | 788 |
| Departing 5 pm to 6 pm | 77.0% | 613 |
| Departing 6 pm to 7 pm | 80.5% | 915 |
| Departing 7 pm to 8 pm | 84.3% | 677 |
| Departing 8 pm to 9 pm | 74.1% | 929 |
| Departing 9 pm to 10 pm | 81.4% | 747 |
| Departing 10 pm to 11 pm | 76.9% | 750 |
| Departing 11 pm to midnight | 84.8% | 1,577 |
Best and worst months at ANC
Share of scheduled flights on time 12-month average 83.9%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 73.9% | 3,656 |
| February | 85.8% | 3,368 |
| March | 82.7% | 3,973 |
| April | 86.5% | 3,866 |
| May | 87.6% | 5,235 |
| June | 83.0% | 6,571 |
| July | 78.1% | 7,097 |
| August | 80.7% | 6,847 |
| September | 86.8% | 4,960 |
| October | 85.5% | 4,061 |
| November | 82.6% | 3,650 |
| December | 78.7% | 3,668 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 88.3% | 1,726 |
| Oct 2025 | 85.0% | 1,448 |
| Nov 2025 | 84.6% | 1,321 |
| Dec 2025 | 77.9% | 1,316 |
| Jan 2026 | 71.9% | 1,339 |
| Feb 2026 | 85.1% | 1,221 |
| Mar 2026 | 82.9% | 1,423 |
| Apr 2026 | 92.6% | 1,333 |
| May 2026 | 88.7% | 1,818 |
| Jun 2026 | 84.8% | 2,322 |
| Jul 2026 | 82.0% | 2,513 |
| Aug 2026 | 82.5% | 2,383 |
Busiest routes from ANC
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Seattle (SEA) | 86.1% | 0.8% | 3 | 6,616 |
| Fairbanks (FAI) | 87.8% | 0.9% | 1 | 1,450 |
| Portland (PDX) | 90.5% | 0.0% | 1 | 1,240 |
| Juneau (JNU) | 86.5% | 0.3% | 1 | 1,230 |
| Kodiak (ADQ) | 82.1% | 4.2% | 1 | 866 |
| Denver (DEN) | 80.4% | 0.9% | 3 | 852 |
| Chicago (ORD) | 79.8% | 1.4% | 3 | 784 |
| Minneapolis (MSP) | 82.0% | 1.0% | 2 | 777 |
| Bethel (BET) | 80.5% | 3.0% | 1 | 723 |
| Deadhorse (SCC) | 85.6% | 2.3% | 1 | 514 |
| Phoenix (PHX) | 86.2% | 0.0% | 2 | 450 |
| Honolulu (HNL) | 79.7% | 0.2% | 1 | 438 |
| Los Angeles (LAX) | 90.2% | 0.0% | 1 | 399 |
| Dallas/Fort Worth (DFW) | 74.6% | 0.3% | 1 | 394 |
| Nome (OME) | 76.1% | 3.5% | 1 | 372 |
| Cordova (CDV) | 83.4% | 0.0% | 1 | 361 |
| Kotzebue (OTZ) | 83.6% | 3.6% | 1 | 360 |
| Barrow (BRW) | 73.5% | 1.9% | 1 | 359 |
| Las Vegas (LAS) | 82.2% | 0.6% | 2 | 326 |
| San Francisco (SFO) | 86.1% | 0.0% | 2 | 295 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Anchorage, AK (ANC) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.