Historical on-time performance
New York to Philadelphia
96 miData through Dec 2025Source: US DOT · BTS
Flights on LGA–PHL arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.1%of scheduled flights
based on 267 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time76%Medianon timep9035 minCancel1.1%Flights267
Why flights run late
Delay causes
- Airline20%
- Weather0%
- Air traffic (NAS)48%
- Late aircraft32%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly LGA → PHL
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 71% to 91% on time.
- Mornings91% on time · p90 5 min · 704 flights
- Middays89% on time · p90 15 min · 346 flights
- Evenings74% on time · p90 35 min · 178 flights · limited
- Afternoons71% on time · p90 45 min · 526 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 90% on time.
- Saturdays90% on time · p90 10 min · 210 flights
- Mondays85% on time · p90 15 min · 270 flights
- Thursdays84% on time · p90 25 min · 260 flights
- Tuesdays83% on time · p90 20 min · 263 flights
- Fridays82% on time · p90 35 min · 262 flights
- Wednesdays79% on time · p90 30 min · 263 flights
- Sundays77% on time · p90 40 min · 226 flights
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