Historical on-time performance
New York to Denver
Flights on JFK–DEN arrive on time 68% of the time over the last 12 months.
based on 1,529 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.
- Delta Air LinesOn-time69%Medianon timep9075 minCancel2.7%Flights984
- JetBlue AirwaysOn-time66%Medianon timep9055 minCancel2.4%Flights545
Why flights run late
Delay causes
- Airline34%
- Weather2%
- Air traffic (NAS)36%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline25%
- Weather63%
- Air traffic (NAS)13%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 40 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 JFK → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 81% on time.
- Mornings81% on time · p90 30 min · 1,702 flights
- Afternoons71% on time · p90 60 min · 849 flights
- Evenings68% on time · p90 75 min · 893 flights
- Overnights62% on time · p90 90 min · 960 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 81% on time.
- Tuesdays81% on time · p90 55 min · 603 flights
- Wednesdays78% on time · p90 50 min · 610 flights
- Thursdays72% on time · p90 65 min · 665 flights
- Mondays71% on time · p90 55 min · 671 flights
- Fridays71% on time · p90 55 min · 676 flights
- Saturdays69% on time · p90 65 min · 608 flights
- Sundays66% on time · p90 70 min · 670 flights
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