Historical on-time performance
Detroit to Boston
Flights on DTW–BOS arrive on time 72% of the time over the last 12 months.
based on 2,469 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Spirit AirlinesOn-time77%Medianon timep9065 minCancel0.0%Flights61
- Delta Air LinesOn-time73%Medianon timep9060 minCancel1.9%Flights1,711
- JetBlue AirwaysOn-time71%Medianon timep9065 minCancel2.6%Flights697
Why flights run late
Delay causes
- Airline35%
- Weather1%
- Air traffic (NAS)40%
- Late aircraft23%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline36%
- Weather44%
- Air traffic (NAS)20%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 50 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 DTW → BOS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 1,964 flights
- Middays82% on time · p90 30 min · 2,124 flights
- Afternoons71% on time · p90 60 min · 1,165 flights
- Overnights69% on time · p90 65 min · 1,433 flights
- Evenings62% on time · p90 90 min · 1,352 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 82% on time.
- Saturdays82% on time · p90 30 min · 1,016 flights
- Wednesdays80% on time · p90 45 min · 1,121 flights
- Tuesdays79% on time · p90 50 min · 1,128 flights
- Thursdays74% on time · p90 55 min · 1,191 flights
- Fridays73% on time · p90 55 min · 1,203 flights
- Mondays73% on time · p90 60 min · 1,198 flights
- Sundays71% on time · p90 60 min · 1,181 flights
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