BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
ORD→ANC

Chicago, IL (ORD) to Anchorage, AK (ANC) flight delay odds

73.0% of 786 official scheduled ORD-to-ANC flights arrived on time; 16.0% arrived at least 30 minutes late and 0.8% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
73.0%arrived on time
16.0%30+ min late
0.8%cancelled
786scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.3%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+5.5 mincompleted flights

Which departure time was most reliable for ORD to ANC?

Among qualifying ORD-to-ANC departure window results, Late morning had the highest on-time rate: 81.2% of 202 flights. Afternoon was lowest at 67.0% across 315 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning6478.1%14.1%0.0%
Late morning20281.2%7.9%0.5%
Afternoon31567.0%19.4%1.3%
Evening13468.7%21.6%0.0%
Night7180.3%15.5%1.4%

Which weekday was most reliable for ORD to ANC?

Among qualifying ORD-to-ANC weekday results, Friday had the highest on-time rate: 77.8% of 117 flights. Wednesday was lowest at 66.4% across 107 flights.

DayFlightsOn time30+ minCancelled
Monday11274.1%14.3%1.8%
Tuesday11175.7%15.3%0.0%
Wednesday10766.4%22.4%0.0%
Thursday10977.1%13.8%0.9%
Friday11777.8%12.0%0.0%
Saturday11770.1%17.1%0.9%
Sunday11369.9%17.7%1.8%

Which airline was most reliable for ORD to ANC?

Among qualifying ORD-to-ANC airline results, Alaska Airlines had the highest on-time rate: 76.7% of 210 flights. American Airlines was lowest at 68.1% across 138 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines43872.8%15.1%0.9%
Alaska Airlines21076.7%14.3%1.0%
American Airlines13868.1%21.7%0.0%

Which month was most reliable for ORD to ANC?

Among qualifying ORD-to-ANC month results, August 2025 had the highest on-time rate: 79.7% of 143 flights. December 2025 was lowest at 33.3% across 15 flights.

MonthFlightsOn time30+ minCancelled
July 202515571.0%16.8%0.6%
August 202514379.7%14.0%0.7%
September 202510177.2%11.9%0.0%
October 20254770.2%17.0%0.0%
November 20252969.0%10.3%3.4%
December 20251533.3%26.7%0.0%
March 20262759.3%37.0%3.7%
April 20263158.1%25.8%0.0%
May 20269275.0%15.2%1.1%
June 202614175.2%14.9%0.7%

What drove ORD to ANC delay minutes?

National airspace was the largest recorded ORD-to-ANC delay category, accounting for 35.2% of 10,727 BTS-attributed delay minutes during July 2025–June 2026.

Airline26.9%
Late aircraft29.5%
National airspace35.2%
Weather7.4%
Security1.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.