Historical on-time performance
Las Vegas to Philadelphia
2,176 miData through Dec 2025Source: US DOT · BTS
Flights on LAS–PHL arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 1,469 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.
- American AirlinesOn-time82%Medianon timep9030 minCancel1.7%Flights1,282
- Spirit AirlinesOn-time78%Medianon timep9025 minCancel3.2%Flights125
- Frontier AirlinesOn-time74%Medianon timep9060 minCancel0.0%Flights62
Why flights run late
Delay causes
- Airline28%
- Weather3%
- Air traffic (NAS)22%
- Late aircraft47%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly LAS → 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 73% to 82% on time.
- Early mornings82% on time · p90 35 min · 246 flights
- Mornings80% on time · p90 30 min · 1,151 flights
- Overnights79% on time · p90 35 min · 2,290 flights
- Afternoons78% on time · p90 50 min · 194 flights · limited
- Middays73% on time · p90 50 min · 1,070 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 83% on time.
- Tuesdays83% on time · p90 25 min · 681 flights
- Wednesdays83% on time · p90 25 min · 712 flights
- Saturdays80% on time · p90 35 min · 646 flights
- Mondays76% on time · p90 45 min · 722 flights
- Fridays75% on time · p90 45 min · 740 flights
- Thursdays75% on time · p90 40 min · 719 flights
- Sundays74% on time · p90 40 min · 731 flights
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