Historical on-time performance
Houston to New York
1,417 miData through Dec 2025Source: US DOT · BTS
Flights on IAH–JFK arrive on time 63% of the time over the last 12 months.
On-time rate63%arrived within 15 min
p90 delay90 min1 in 10 flights is worse (tail risk)
Cancelled3.2%of scheduled flights
based on 154 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-time61%Medianon timep90165 minCancel6.5%Flights62
- JetBlue AirwaysOn-time64%Medianon timep9065 minCancel1.1%Flights92
Why flights run late
Delay causes
- Airline34%
- Weather1%
- Air traffic (NAS)35%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly IAH → JFK
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 56% to 72% on time.
- Mornings72% on time · p90 45 min · 94 flights · limited
- Middays66% on time · p90 75 min · 526 flights
- Evenings58% on time · p90 105 min · 244 flights
- Afternoons56% on time · p90 135 min · 175 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 54% to 71% on time.
- Wednesdays71% on time · p90 50 min · 147 flights · limited
- Tuesdays71% on time · p90 85 min · 147 flights · limited
- Mondays65% on time · p90 90 min · 156 flights · limited
- Thursdays60% on time · p90 100 min · 150 flights · limited
- Fridays60% on time · p90 90 min · 154 flights · limited
- Saturdays59% on time · p90 135 min · 137 flights · limited
- Sundays54% on time · p90 90 min · 148 flights · limited
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