Historical on-time performance
Newark to Boston
Flights on EWR–BOS arrive on time 68% of the time over the last 12 months.
based on 3,854 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.
- United AirlinesOn-time68%Medianon timep9075 minCancel3.1%Flights2,672
- Republic AirwaysOn-time68%Medianon timep9070 minCancel6.1%Flights1,182
Why flights run late
Delay causes
- Airline19%
- Weather5%
- Air traffic (NAS)36%
- Late aircraft40%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline12%
- Weather41%
- Air traffic (NAS)46%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 155 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 EWR → 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 — 86% on time.
- Mornings86% on time · p90 20 min · 3,285 flights
- Middays79% on time · p90 50 min · 2,213 flights
- Afternoons63% on time · p90 90 min · 3,024 flights
- Overnights60% on time · p90 90 min · 1,417 flights
- Evenings60% on time · p90 100 min · 1,973 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 76% on time.
- Saturdays76% on time · p90 55 min · 1,397 flights
- Wednesdays76% on time · p90 60 min · 1,765 flights
- Tuesdays75% on time · p90 50 min · 1,775 flights
- Mondays70% on time · p90 75 min · 1,783 flights
- Thursdays68% on time · p90 80 min · 1,776 flights
- Sundays68% on time · p90 70 min · 1,632 flights
- Fridays68% on time · p90 80 min · 1,784 flights
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