Historical on-time performance
Boston to Newark
200 miData through May 2026Source: US DOT · BTS
Flights on BOS–EWR arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled4.3%of scheduled flights
based on 3,853 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time73%Medianon timep9065 minCancel3.4%Flights2,671
- Republic AirwaysOn-time67%Medianon timep9065 minCancel6.4%Flights1,182
Why flights run late
Delay causes
- Airline15%
- Weather3%
- Air traffic (NAS)47%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline15%
- Weather41%
- Air traffic (NAS)44%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 166 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 BOS → EWR
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 — 89% on time.
- Mornings89% on time · p90 10 min · 4,253 flights
- Middays73% on time · p90 55 min · 2,867 flights
- Afternoons65% on time · p90 80 min · 1,554 flights
- Overnights64% on time · p90 85 min · 640 flights
- Evenings59% on time · p90 100 min · 2,599 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 79% on time.
- Tuesdays79% on time · p90 35 min · 1,773 flights
- Saturdays78% on time · p90 45 min · 1,406 flights
- Wednesdays77% on time · p90 50 min · 1,766 flights
- Mondays73% on time · p90 60 min · 1,784 flights
- Fridays71% on time · p90 70 min · 1,789 flights
- Sundays71% on time · p90 65 min · 1,618 flights
- Thursdays71% on time · p90 75 min · 1,777 flights
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