Historical on-time performance
San Diego to Newark
Flights on SAN–EWR arrive on time 81% 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-time81%Medianon timep9030 minCancel1.8%Flights1,225
- Alaska AirlinesOn-time78%Medianon timep9035 minCancel3.6%Flights276
Why flights run late
Delay causes
- Airline21%
- Weather14%
- Air traffic (NAS)45%
- Late aircraft20%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline22%
- Weather69%
- Air traffic (NAS)9%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 32 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 SAN → EWR
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Overnights are the most reliable time of day to fly this route — 86% on time.
- Overnights86% on time · p90 15 min · 1,607 flights
- Mornings79% on time · p90 35 min · 2,065 flights
- Middays70% on time · p90 70 min · 817 flights
- Afternoons68% on time · p90 100 min · 273 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 84% on time.
- Tuesdays84% on time · p90 20 min · 676 flights
- Saturdays82% on time · p90 30 min · 674 flights
- Wednesdays81% on time · p90 35 min · 677 flights
- Fridays79% on time · p90 35 min · 686 flights
- Thursdays78% on time · p90 50 min · 682 flights
- Mondays77% on time · p90 45 min · 681 flights
- Sundays76% on time · p90 45 min · 686 flights
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