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Route Reliability

Chicago → Anchorage

ORD–ANC · 2,846 miles · Chicago O'Hare International Airport to Ted Stevens Anchorage International Airport

80
Pretty Reliable
WanderNerd Reliability Score
75%
Arrive within 15 minutes
8 min
Average arrival delay
0.6%
Cancelled
783
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.United Airlines79%438 flights
  2. 2.Alaska Airlines73%207 flights
  3. 3.American Airlines66%138 flights

What the data says

Morning flights do better here.

ORD–ANC flights departing between 12–3 AM arrived on time 82% of the time, versus 71% between 3–6 PM.

Wednesday is the weak spot.

ORD–ANC flights arrived on time 81% of the time on Thursdays. On Wednesdays: 68%.

United Airlines runs this route best.

United Airlines arrived on time 79% of the time on this route; American Airlines managed 66%.

Ticking up lately.

ORD–ANC flights arrived on time 67% of the time over the last three months in the data, compared with 63% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon77%(110 flights)
  • Tue75%(106 flights)
  • Wed68%(106 flights)
  • Thu81%(108 flights)
  • Fri80%(116 flights)
  • Sat72%(116 flights)
  • Sun71%(115 flights)
On-time by departure window
  • 12–3 AM82%(67 flights)
  • 6–9 AM75%(55 flights)
  • 9 AM–12 PM80%(211 flights)
  • 12–3 PM76%(21 flights)
  • 3–6 PM71%(423 flights)
On-time trend by month
79%
May

Jun 74% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%138
July 202573%154
August 202581%142
September 202579%101
October 202572%46
November 202571%28
December 202547%15
March 202662%26
April 202661%31
May 202679%91

Keep nerding

Based on 783 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.