Best Time to Fly ORD to ANC: On-Time Stats by Hour & Airline
Chicago O'Hare International → Ted Stevens Anchorage International
Data through July 2026 · Last updated October 18, 2026
785 flights were scheduled from Chicago (ORD) to Anchorage (ANC) in the last 12 months, and 72.9% of those that flew arrived on time, 4.7 points below the US average of 77.6%.
Among 3 airlines, Alaska Airlines led with 74.9% on time and American Airlines was last with 67.9%.
Over 24 months, Monday was the most reliable day (80% on time) and April the worst month (65%).
The cancellation rate was 0.8% (US average 1.8%).
ORD 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 |
|---|---|---|---|---|
| Alaska Airlines | 74.9% | 89 min | 0.5% | 209 |
| United Airlines | 73.6% | 53 min | 1.1% | 438 |
| American Airlines | 67.9% | 64 min | 0.0% | 138 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to ANC
On-time arrival % by scheduled departure hour (local time), 1,521 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 76.6% | 0.7% | 138 |
| 8am–9am | 73.0% | 0.0% | 74 |
| 9am–10am | 82.2% | 0.0% | 342 |
| 10am–11am | 78.2% | 0.9% | 113 |
| 12pm–1pm | Limited data | 21 | |
| 1pm–2pm | 85.7% | 0.0% | 42 |
| 3pm–4pm | 78.5% | 0.5% | 188 |
| 4pm–5pm | 72.1% | 1.1% | 349 |
| 5pm–6pm | 65.9% | 0.0% | 251 |
| 6pm–7pm | Limited data | 3 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD 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 | 11 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 70.0% | -7.1 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 73.7% | -3.4 pts | 0.3% | 619 |
| All other days | 77.1% | — | 0.5% | 861 |
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).