Historical on-time performance
Newark to Salt Lake City
1,968 miData through Dec 2025Source: US DOT · BTS
Flights on EWR–SLC arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 1,247 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time67%Medianon timep9080 minCancel1.3%Flights717
- United AirlinesbestOn-time76%Medianon timep9045 minCancel0.6%Flights530
Why flights run late
Delay causes
- Airline36%
- Weather5%
- Air traffic (NAS)22%
- Late aircraft37%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 64% to 81% on time.
- Mornings81% on time · p90 25 min · 1,493 flights
- Middays80% on time · p90 50 min · 230 flights
- Evenings67% on time · p90 85 min · 1,452 flights
- Overnights66% on time · p90 100 min · 245 flights
- Afternoons64% on time · p90 130 min · 94 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 79% on time.
- Tuesdays79% on time · p90 50 min · 492 flights
- Mondays76% on time · p90 45 min · 509 flights
- Wednesdays75% on time · p90 45 min · 491 flights
- Thursdays74% on time · p90 70 min · 506 flights
- Saturdays72% on time · p90 65 min · 505 flights
- Sundays71% on time · p90 85 min · 505 flights
- Fridays71% on time · p90 60 min · 506 flights
Advertisement
Keep exploring