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Route Reliability

Chicago → Manchester

ORD–MHT · 843 miles · Chicago O'Hare International Airport to Manchester–Boston Regional Airport

84
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
1 min early
Average arrival delay
1.1%
Cancelled
565
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 81% of the time across 565 flights. No comparison to make.

What the data says

The 3–6 PM departure wins.

ORD–MHT flights departing between 3–6 PM arrived on time 86% of the time, versus 79% between 6–9 PM.

Skip Wednesday if you can.

ORD–MHT flights arrived on time 87% of the time on Tuesdays. On Wednesdays: 73%.

Ticking up lately.

ORD–MHT flights arrived on time 84% of the time over the last three months in the data, compared with 80% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon78%(83 flights)
  • Tue87%(71 flights)
  • Wed73%(75 flights)
  • Thu84%(88 flights)
  • Fri81%(88 flights)
  • Sat80%(65 flights)
  • Sun83%(88 flights)
On-time by departure window
  • 6–9 AM82%(192 flights)
  • 9 AM–12 PM—(3 flights)
  • 12–3 PM81%(138 flights)
  • 3–6 PM86%(29 flights)
  • 6–9 PM79%(196 flights)
On-time trend by month
84%
May

Jun 75% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%72
July 202579%72
August 202584%79
September 202578%86
October 202581%86
April 202686%71
May 202684%91

Same trip, other airports

Keep nerding

Based on 565 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.