Historical on-time performance
Newark to Houston
Flights on EWR–IAH arrive on time 77% of the time over the last 12 months.
based on 3,532 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- United AirlinesOn-time78%Medianon timep9045 minCancel1.7%Flights3,469
- Spirit AirlinesOn-time57%Medianon timep9095 minCancel11.1%Flights63
Why flights run late
Delay causes
- Airline27%
- Weather6%
- Air traffic (NAS)30%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline9%
- Weather82%
- Air traffic (NAS)9%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 66 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 EWR → IAH
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 — 86% on time.
- Mornings86% on time · p90 15 min · 3,446 flights
- Middays79% on time · p90 40 min · 2,188 flights
- Afternoons69% on time · p90 70 min · 2,331 flights
- Evenings67% on time · p90 85 min · 1,995 flights
- Overnights65% on time · p90 90 min · 1,265 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 78% on time.
- Tuesdays78% on time · p90 40 min · 1,590 flights
- Mondays76% on time · p90 50 min · 1,611 flights
- Wednesdays75% on time · p90 45 min · 1,565 flights
- Thursdays75% on time · p90 50 min · 1,613 flights
- Fridays75% on time · p90 60 min · 1,620 flights
- Saturdays75% on time · p90 60 min · 1,600 flights
- Sundays74% on time · p90 60 min · 1,626 flights
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