Historical on-time performance
Boston to Memphis
1,139 miData through Dec 2025Source: US DOT · BTS
Flights on BOS–MEM arrive on time 58% of the time over the last 12 months.
On-time rate58%arrived within 15 min
p90 delay80 min1 in 10 flights is worse (tail risk)
Cancelled3.3%of scheduled flights
based on 151 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time58%Medianon timep9080 minCancel3.3%Flights151
Why flights run late
Delay causes
- Airline29%
- Weather0%
- Air traffic (NAS)23%
- Late aircraft48%
- 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 BOS → 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 67% to 86% on time.
- Mornings86% on time · p90 15 min · 188 flights · limited
- Afternoons85% on time · p90 30 min · 145 flights · limited
- Evenings72% on time · p90 65 min · 408 flights
- Overnights67% on time · p90 65 min · 712 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 82% on time.
- Saturdays82% on time · p90 35 min · 166 flights · limited
- Tuesdays76% on time · p90 35 min · 220 flights
- Thursdays73% on time · p90 75 min · 214 flights
- Wednesdays73% on time · p90 45 min · 218 flights
- Mondays71% on time · p90 70 min · 223 flights
- Sundays70% on time · p90 50 min · 218 flights
- Fridays67% on time · p90 65 min · 217 flights
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