Historical on-time performance
Dallas to Memphis
423 miData through Dec 2025Source: US DOT · BTS
Flights on DAL–MEM arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 459 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time74%Medianon timep9045 minCancel0.7%Flights459
Why flights run late
Delay causes
- Airline24%
- Weather3%
- Air traffic (NAS)14%
- Late aircraft59%
- 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 DAL → 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 47% to 87% on time.
- Mornings87% on time · p90 15 min · 129 flights · limited
- Middays80% on time · p90 30 min · 550 flights
- Afternoons75% on time · p90 35 min · 474 flights
- Evenings63% on time · p90 65 min · 196 flights · limited
- Overnights47% on time · p90 120 min · 59 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 83% on time.
- Tuesdays83% on time · p90 25 min · 174 flights · limited
- Mondays78% on time · p90 30 min · 178 flights · limited
- Saturdays78% on time · p90 45 min · 255 flights
- Wednesdays75% on time · p90 40 min · 172 flights · limited
- Fridays75% on time · p90 45 min · 174 flights · limited
- Thursdays71% on time · p90 45 min · 171 flights · limited
- Sundays70% on time · p90 55 min · 284 flights
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