Historical on-time performance
Newark to San Diego
Flights on EWR–SAN arrive on time 78% of the time over the last 12 months.
based on 1,501 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.
- United AirlinesOn-time79%Medianon timep9040 minCancel1.5%Flights1,225
- Alaska AirlinesOn-time76%Medianon timep9050 minCancel3.6%Flights276
Why flights run late
Delay causes
- Airline24%
- Weather10%
- Air traffic (NAS)30%
- Late aircraft36%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline14%
- Weather82%
- Air traffic (NAS)4%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 28 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 → SAN
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 57% to 85% on time.
- Mornings85% on time · p90 20 min · 1,603 flights
- Middays84% on time · p90 25 min · 506 flights
- Afternoons71% on time · p90 80 min · 943 flights
- Evenings68% on time · p90 75 min · 1,507 flights
- Overnights57% on time · p90 100 min · 203 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 80% on time.
- Tuesdays80% on time · p90 30 min · 676 flights
- Mondays78% on time · p90 45 min · 680 flights
- Wednesdays77% on time · p90 50 min · 676 flights
- Fridays75% on time · p90 55 min · 686 flights
- Thursdays74% on time · p90 60 min · 683 flights
- Saturdays74% on time · p90 70 min · 674 flights
- Sundays72% on time · p90 55 min · 687 flights
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