Historical on-time performance
Chicago to Manchester NH
838 miData through May 2026Source: US DOT · BTS
Flights on MDW–MHT arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 401 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time75%Medianon timep9040 minCancel1.2%Flights401
Why flights run late
Delay causes
- Airline40%
- Weather3%
- Air traffic (NAS)5%
- Late aircraft51%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline20%
- Weather80%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 cancellations with a reported cause (BTS reports causes from June 2003).
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 (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 83% on time.
- Middays83% on time · p90 25 min · 676 flights
- Afternoons71% on time · p90 45 min · 104 flights · limited
- Evenings66% on time · p90 55 min · 535 flights
- Overnights60% on time · p90 65 min · 168 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 81% on time.
- Saturdays81% on time · p90 30 min · 168 flights · limited
- Wednesdays79% on time · p90 35 min · 221 flights
- Thursdays75% on time · p90 35 min · 239 flights
- Tuesdays74% on time · p90 40 min · 221 flights
- Mondays73% on time · p90 45 min · 235 flights
- Fridays73% on time · p90 55 min · 237 flights
- Sundays65% on time · p90 60 min · 197 flights · limited
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