Historical on-time performance
Chicago to Manchester NH
838 miData through Dec 2025Source: US DOT · BTS
Flights on MDW–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)
Cancelled1.3%of scheduled flights
based on 310 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time78%Medianon timep9030 minCancel1.3%Flights310
Why flights run late
Delay causes
- Airline37%
- Weather3%
- Air traffic (NAS)6%
- Late aircraft54%
- 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 MDW → MHT
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 82% on time.
- Middays82% on time · p90 25 min · 714 flights
- Afternoons71% on time · p90 40 min · 118 flights · limited
- Evenings66% on time · p90 60 min · 503 flights
- Overnights61% on time · p90 65 min · 201 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 80% on time.
- Saturdays80% on time · p90 30 min · 172 flights · limited
- Wednesdays79% on time · p90 40 min · 236 flights
- Mondays74% on time · p90 45 min · 242 flights
- Tuesdays73% on time · p90 35 min · 235 flights
- Thursdays73% on time · p90 40 min · 242 flights
- Fridays71% on time · p90 50 min · 240 flights
- Sundays66% on time · p90 60 min · 197 flights · limited
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