Historical on-time performance
Newark to San Antonio
Flights on EWR–SAT arrive on time 86% of the time over the last 12 months.
based on 530 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time86%Medianon timep9015 minCancel0.9%Flights530
Why flights run late
Delay causes
- Airline30%
- Weather9%
- Air traffic (NAS)31%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline0%
- Weather100%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 5 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 → SAT
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 77% to 85% on time.
- Middays85% on time · p90 25 min · 1,078 flights
- Mornings83% on time · p90 25 min · 826 flights
- Afternoons77% on time · p90 30 min · 107 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 80% to 87% on time.
- Tuesdays87% on time · p90 15 min · 300 flights
- Thursdays85% on time · p90 25 min · 310 flights
- Wednesdays84% on time · p90 25 min · 286 flights
- Mondays84% on time · p90 20 min · 309 flights
- Sundays84% on time · p90 20 min · 268 flights
- Saturdays83% on time · p90 30 min · 235 flights
- Fridays80% on time · p90 30 min · 303 flights
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