Historical on-time performance
Boston to New York
184 miData through May 2026Source: US DOT · BTS
Flights on BOS–LGA arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled5.8%of scheduled flights
based on 7,103 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time85%Medianon timep9020 minCancel4.4%Flights518
- Republic AirwaysOn-time72%Medianon timep9065 minCancel5.9%Flights6,585
Why flights run late
Delay causes
- Airline21%
- Weather5%
- Air traffic (NAS)38%
- Late aircraft36%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline26%
- Weather32%
- Air traffic (NAS)42%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 412 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 → LGA
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 — 88% on time.
- Mornings88% on time · p90 15 min · 6,246 flights
- Middays83% on time · p90 30 min · 5,494 flights
- Afternoons73% on time · p90 65 min · 4,106 flights
- Overnights68% on time · p90 70 min · 1,491 flights
- Evenings68% on time · p90 80 min · 4,888 flights
Best day of week
Saturdays are the most reliable day to fly this route — 84% on time.
- Saturdays84% on time · p90 25 min · 978 flights
- Wednesdays81% on time · p90 35 min · 3,675 flights
- Tuesdays80% on time · p90 40 min · 3,645 flights
- Mondays77% on time · p90 45 min · 3,672 flights
- Fridays77% on time · p90 55 min · 3,643 flights
- Thursdays76% on time · p90 55 min · 3,656 flights
- Sundays73% on time · p90 55 min · 2,956 flights
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