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

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

75.9% of 787 official scheduled ANC-to-ORD flights arrived on time; 11.7% arrived at least 30 minutes late and 1.3% 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
75.9%arrived on time
11.7%30+ min late
1.3%cancelled
787scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.8%all scheduled flights
120+ minutes late1.7%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+3.7 mincompleted flights

Which departure time was most reliable for ANC to ORD?

Among qualifying ANC-to-ORD departure window results, Evening had the highest on-time rate: 83.6% of 177 flights. Night was lowest at 73.6% across 610 flights.

Departure windowFlightsOn time30+ minCancelled
Evening17783.6%6.8%1.7%
Night61073.6%13.1%1.1%

Which weekday was most reliable for ANC to ORD?

Among qualifying ANC-to-ORD weekday results, Wednesday had the highest on-time rate: 81.3% of 107 flights. Saturday was lowest at 69.3% across 114 flights.

DayFlightsOn time30+ minCancelled
Monday10874.1%11.1%4.6%
Tuesday11279.5%8.9%0.0%
Wednesday10781.3%12.1%0.0%
Thursday11677.6%10.3%0.9%
Friday11776.9%12.0%0.9%
Saturday11469.3%14.0%0.9%
Sunday11372.6%13.3%1.8%

Which airline was most reliable for ANC to ORD?

Among qualifying ANC-to-ORD airline results, United Airlines had the highest on-time rate: 78.8% of 438 flights. American Airlines was lowest at 69.6% across 138 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines43878.8%8.9%1.8%
Alaska Airlines21173.9%13.7%0.5%
American Airlines13869.6%17.4%0.7%

Which month was most reliable for ANC to ORD?

Among qualifying ANC-to-ORD month results, September 2025 had the highest on-time rate: 88.0% of 100 flights. March 2026 was lowest at 59.3% across 27 flights.

MonthFlightsOn time30+ minCancelled
July 202515573.5%13.5%0.6%
August 202514372.0%15.4%0.7%
September 202510088.0%6.0%0.0%
October 20254877.1%8.3%4.2%
November 20252965.5%13.8%6.9%
December 20251586.7%6.7%0.0%
March 20262759.3%25.9%3.7%
April 20263183.9%6.5%0.0%
May 20269379.6%7.5%2.2%
June 202614172.3%12.8%0.7%

What drove ANC to ORD delay minutes?

Late aircraft was the largest recorded ANC-to-ORD delay category, accounting for 46.5% of 9,972 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.6%
Late aircraft46.5%
National airspace23.5%
Weather0.2%
Security0.3%
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.