Best Time to Fly ATL to ANC: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Ted Stevens Anchorage International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 66.2% of Atlanta (ATL) to Anchorage (ANC) flights arrived on time (157 scheduled flights). That is 11.4 points below the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
August has been the best month (66% on time) and Wednesday the weakest day of the week (58%).
1.3% of flights were cancelled, versus 1.8% nationally.
ATL to ANC on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 66.2% | 54 min | 1.3% | 157 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to ANC
On-time arrival % by scheduled departure hour (local time), 267 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 3pm–4pm | 63.6% | 0.8% | 267 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to ANC
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 1 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 12 | ||
| Summer peak (Jun 15 - Aug 15) | 63.7% | -3.0 pts | 0.0% | 124 |
| All other days | 66.7% | — | 0.8% | 130 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).