Anchorage (ANC) to Chicago (ORD): On-Time Performance
Data through May 2026
Anchorage (ANC) to Chicago (ORD) effectively runs on two schedules. In April 2025, 97% of arrivals were on time; in March 2026 that fell to 62% — a 36-point seasonal swing. Across the full period the route averages 78% on-time against a national 78%.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 2.2
- last 12 months
- Duration
- 6h 15m
- scheduled
- Distance
- 2,846 mi
Best airline from ANC to ORD
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 84% | 12 min | 1.6% | 822 |
| Alaska Airlines | 77% | 12 min | 0.4% | 451 |
| American Airlines | 63% | 39 min | 0.4% | 260 |
Monthly on-time trend
Best time to fly from ANC to ORD
Aim for departures around 8 p.m. (88% on-time); avoid 9 p.m. departures (73%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 14 min |
| Tuesday | 80% | 21 min |
| Wednesdaybest | 83% | 17 min |
| Thursday | 80% | 20 min |
| Friday | 79% | 15 min |
| Saturday | 77% | 18 min |
| Sunday | 75% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations44%
- National airspace system19%
Frequently asked questions
- How often are flights from ANC to ORD delayed?
- 22% of ANC–ORD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 17 minutes.
- Which airline is most reliable from ANC to ORD?
- United Airlines has the best on-time record on this route at 84%, based on 822 flights. 3 airlines flew ANC–ORD frequently enough to compare in this period.
- What is the best time of day to fly from ANC to ORD?
- Departures around 8 p.m. have the best record (88% on-time), while departures around 9 p.m. have the worst (73%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ANC to ORD?
- The scheduled ANC–ORD flight time averages 6h 15m over 2,846 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are ANC to ORD flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from ANC to ORD?
- March 2026 was the roughest month in this dataset, with only 62% of arrivals on time. The best was April 2025 at 97%. If your dates are flexible, that 36-point gap is worth planning around.
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Based on 1,533 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.