EWR to SLC flight delays & on-time performance
Nonstop flights from Newark Liberty International Airport to Salt Lake City International Airport · 1,969 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at EWR or SLC right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Newark (EWR) to Salt Lake City (SLC) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 2.1% were cancelled, and 8% arrived an hour or more late.
- United Airlines was the most punctual airline here (78% on time); Delta Air Lines was the least (77%).
- Departures scheduled around 8am did best (93% on time); around 6am did worst (63%).
- Wednesday was the most reliable day to fly (81% on time) and Saturday the least (73%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (35%).
Which airline is most on time from EWR to SLC?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 78% | 2.0% | 14 min | 6.6% | 615 |
| Delta Air Lines | 77% | 2.2% | 20 min | 9.2% | 722 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am63%69 flights
- 7am86%459 flights
- 8am93%46 flights
- 9am91%26 flights
- 10am89%54 flights
- 11am72%18 flights
- 3pm75%52 flights
- 4pm61%40 flights
- 5pm71%110 flights
- 6pm79%212 flights
- 7pm65%147 flights
- 8pm68%104 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%4.2% cancelled
- Tuesday79%1.6% cancelled
- Wednesday81%1.0% cancelled
- Thursday79%1.5% cancelled
- Friday77%1.0% cancelled
- Saturday73%2.2% cancelled
- Sunday76%3.1% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)35%
- Late-arriving aircraft32%
- Air traffic control & airport congestion24%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather75%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion0%
- Security0%
EWR to SLC: common questions
- How often are EWR to SLC flights on time?
- 78% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Newark to Salt Lake City cancelled?
- 2.1% of scheduled flights were cancelled (28 of 1,337).
- How long are typical delays?
- Across all flights the average arrival delay was 17 min (early arrivals count as zero). Flights that were late arrived 73 min behind schedule on average, and 8.0% of flights were an hour or more late.
- How long is taxi time at EWR?
- Flights on this route spent 25 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SLC to EWR — 80% on time
More flights from Newark
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: EWR → SLC, nonstop flights by US airlines that report to the DOT. How we calculate this.