Historical on-time performance
Chicago to Manchester NH
843 miData through Dec 2025Source: US DOT · BTS
Flights on ORD–MHT arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 453 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Envoy AirOn-time78%Medianon timep9030 minCancel0.9%Flights453
Why flights run late
Delay causes
- Airline28%
- Weather11%
- Air traffic (NAS)20%
- Late aircraft42%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly ORD → MHT
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 74% to 83% on time.
- Mornings83% on time · p90 25 min · 347 flights
- Middays81% on time · p90 30 min · 176 flights · limited
- Overnights79% on time · p90 30 min · 113 flights · limited
- Evenings74% on time · p90 75 min · 244 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 84% on time.
- Thursdays84% on time · p90 30 min · 147 flights · limited
- Sundays83% on time · p90 35 min · 144 flights · limited
- Fridays82% on time · p90 25 min · 147 flights · limited
- Saturdays79% on time · p90 25 min · 107 flights · limited
- Tuesdays78% on time · p90 55 min · 111 flights · limited
- Mondays77% on time · p90 35 min · 145 flights · limited
- Wednesdays73% on time · p90 40 min · 125 flights · limited
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