Historical on-time performance
Philadelphia to Memphis
874 miData through Dec 2025Source: US DOT · BTS
Flights on PHL–MEM arrive on time 70% of the time over the last 12 months.
On-time rate70%arrived within 15 min
p90 delay70 min1 in 10 flights is worse (tail risk)
Cancelled4.1%of scheduled flights
based on 617 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.
- Republic AirwaysOn-time73%Medianon timep9070 minCancel4.3%Flights94
- PSA AirlinesOn-time69%Medianon timep9070 minCancel4.0%Flights523
Why flights run late
Delay causes
- Airline21%
- Weather4%
- Air traffic (NAS)16%
- Late aircraft58%
- 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 PHL → MEM
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 58% to 87% on time.
- Middays87% on time · p90 20 min · 621 flights
- Mornings86% on time · p90 20 min · 331 flights
- Afternoons85% on time · p90 25 min · 220 flights
- Evenings62% on time · p90 80 min · 526 flights
- Overnights58% on time · p90 95 min · 153 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 80% on time.
- Tuesdays80% on time · p90 30 min · 244 flights
- Thursdays78% on time · p90 35 min · 269 flights
- Sundays78% on time · p90 50 min · 273 flights
- Wednesdays78% on time · p90 35 min · 268 flights
- Saturdays77% on time · p90 70 min · 250 flights
- Mondays74% on time · p90 55 min · 275 flights
- Fridays74% on time · p90 55 min · 272 flights
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