Salt Lake City (SLC) to Newark (EWR): On-Time Performance
Data through July 2026
Salt Lake City (SLC) to Newark (EWR) effectively runs on two schedules. In May 2026, 89% of arrivals were on time; in May 2025 that fell to 37% — a 52-point seasonal swing. Across the full period the route averages 75% on-time against a national 78%.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 2.1%
- Flights/day
- 3.7
- last 12 months
- Duration
- 4h 22m
- scheduled
- Distance
- 1,969 mi
Best airline from SLC to EWR
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 75% | 20 min | 1.8% | 1,175 |
| Delta Air Lines | 74% | 18 min | 2.4% | 1,467 |
Monthly on-time trend
Best time to fly from SLC to EWR
Aim for departures around 10 p.m. (93% on-time); avoid 3 p.m. departures (63%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 16 min |
| Tuesdaybest | 81% | 14 min |
| Wednesday | 78% | 15 min |
| Thursday | 69% | 22 min |
| Friday | 76% | 17 min |
| Saturday | 69% | 22 min |
| Sunday | 72% | 26 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft21%
- Airline operations29%
- National airspace system45%
- Weather5%
Frequently asked questions
- How often are flights from SLC to EWR delayed?
- 26% of SLC–EWR flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 19 minutes.
- Which airline is most reliable from SLC to EWR?
- United Airlines has the best on-time record on this route at 75%, based on 1,175 flights. 2 airlines flew SLC–EWR frequently enough to compare in this period.
- What is the best time of day to fly from SLC to EWR?
- Departures around 10 p.m. have the best record (93% on-time), while departures around 3 p.m. have the worst (63%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SLC to EWR?
- The scheduled SLC–EWR flight time averages 4h 22m over 1,969 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are SLC to EWR flights cancelled?
- 2.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from SLC to EWR?
- May 2025 was the roughest month in this dataset, with only 37% of arrivals on time. The best was May 2026 at 89%. If your dates are flexible, that 52-point gap is worth planning around.
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Based on 2,642 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.