Historical on-time performance
Newark to Salt Lake City
Flights on EWR–SLC arrive on time 75% of the time over the last 12 months.
based on 1,313 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-time77%Medianon timep9040 minCancel2.2%Flights591
- Delta Air LinesOn-time73%Medianon timep9065 minCancel2.4%Flights722
Why flights run late
Delay causes
- Airline35%
- Weather8%
- Air traffic (NAS)26%
- Late aircraft31%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline23%
- Weather73%
- Air traffic (NAS)3%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 30 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 → SLC
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 66% to 82% on time.
- Middays82% on time · p90 45 min · 288 flights
- Mornings82% on time · p90 25 min · 1,683 flights
- Evenings69% on time · p90 80 min · 1,402 flights
- Overnights67% on time · p90 70 min · 282 flights
- Afternoons66% on time · p90 85 min · 172 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 81% on time.
- Tuesdays81% on time · p90 40 min · 530 flights
- Wednesdays77% on time · p90 45 min · 534 flights
- Mondays75% on time · p90 45 min · 549 flights
- Thursdays75% on time · p90 65 min · 557 flights
- Saturdays74% on time · p90 60 min · 547 flights
- Fridays73% on time · p90 55 min · 558 flights
- Sundays73% on time · p90 75 min · 552 flights
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