Historical on-time performance
Denver to Memphis
Flights on DEN–MEM arrive on time 73% of the time over the last 12 months.
based on 1,139 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time79%Medianon timep9040 minCancel1.0%Flights728
- Southwest AirlinesOn-time64%Median5 minp9070 minCancel1.0%Flights411
Why flights run late
Delay causes
- Airline28%
- Weather1%
- Air traffic (NAS)11%
- Late aircraft61%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline27%
- Weather64%
- Air traffic (NAS)9%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 11 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DEN → MEM
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 45% to 88% on time.
- Mornings88% on time · p90 15 min · 166 flights · limited
- Middays83% on time · p90 25 min · 1,541 flights
- Afternoons71% on time · p90 45 min · 460 flights
- Evenings68% on time · p90 70 min · 1,452 flights
- Overnights45% on time · p90 95 min · 212 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 70% to 78% on time.
- Wednesdays78% on time · p90 40 min · 521 flights
- Tuesdays77% on time · p90 40 min · 507 flights
- Thursdays74% on time · p90 55 min · 574 flights
- Saturdays74% on time · p90 50 min · 499 flights
- Mondays72% on time · p90 65 min · 560 flights
- Sundays72% on time · p90 50 min · 619 flights
- Fridays70% on time · p90 75 min · 551 flights
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