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Route on-time record

EWR to SLC: most on-time flights and the best time to fly

Newark (Newark Liberty International Airport) to Salt Lake City (Salt Lake City International Airport). 1,313 nonstop flights in Jun 2025 to May 2026, 77% arrived within 15 minutes and 2.3% were cancelled. The most reliable flight number was United 1435 at 7:00 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

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EWR → SLC

Newark to Salt Lake City: 1,313 nonstop flights a year

On time (12 months)

77%

Cancelled

2.3%

avg delay 19 min

Best time to leave

9 AM to noon

87% on time vs 70% 6 to 9 PM

Most reliable airline

United

77% chance on time

Check EWR to SLC fares

Lowest nonstop fare seen in the next two months: $180 (United 2775 on 2026-11-10). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · United 1435

    7:00 AM → 10:00 AM5h 00m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    82%

    chance on time

    On time (history)
    91%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 261 ground stops and delay programs started).

    Limited track record · 11 flights

    Find United 1435 fares Opens this date on Aviasales

  2. #2 · United 570

    10:05 AM → 1:24 PM5h 19m nonstop

    Local times, typical schedule. Last flown 2026-05-20.

    81%

    chance on time

    On time (history)
    88%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 88% of the time (17 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 87% on time; 6 to 9 PM: 70%).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 261 ground stops and delay programs started).

    Limited track record · 17 flights

    Find United 570 fares Opens this date on Aviasales

  3. #3 · United 1986

    7:30 PM → 10:42 PM5h 12m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    77%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    1 min
    • Arrived on time 100% of the time (9 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 70% on time; 9 AM to noon: 87%).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 261 ground stops and delay programs started).

    Limited track record · 9 flights

    Find United 1986 fares Opens this date on Aviasales

  4. #4 · Delta 1009

    7:15 AM → 10:15 AM5h 11m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    76%

    chance on time

    On time (history)
    77%
    Cancelled
    1.6%
    Avg arrival delay
    17 min
    • Arrived on time 77% of the time (357 flights, Jun 2025 to May 2026).
    • Departs outside EWR's trouble window (1 PM to 7 PM, when 65% of its 261 ground stops and delay programs started).

    Strong track record · 357 flights

    Find Delta 1009 fares Opens this date on Aviasales

  5. #5 · Delta 2033

    6:30 PM → 9:46 PM5h 16m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    75%

    chance on time

    On time (history)
    82%
    Cancelled
    5.1%
    Avg arrival delay
    16 min
    • Arrived on time 82% of the time (130 flights, Jun 2025 to May 2026).
    • Cancelled 5.1% of the time (7 of 137).
    • Leaves in this route's least on-time window (6 to 9 PM: 70% on time; 9 AM to noon: 87%).
    • Departs inside EWR's trouble window: 65% of its 261 ground stops and delay programs started between 1 PM and 7 PM.

    Moderate track record · 130 flights

    Find Delta 2033 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • United Airlines77%

    591 flights · 79% on time as flown · 2.2% cancel

  • Delta Air Lines73%

    722 flights · 75% on time as flown · 2.3% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM81%

    549 flights · avg delay 13 min

  • 9 AM to noon87%

    123 flights · avg delay 9 min

  • 3 to 6 PM73%

    151 flights · avg delay 18 min

  • 6 to 9 PM70%

    490 flights · avg delay 29 min

Best day: Tuesday (82%). Worst: Friday (74%).

Smarter routing

Nearby airports that run more on time

  • JFK → SLC 77% chance on time

    John F. Kennedy International Airport to Salt Lake City International Airport · 1,928 flights a year · 21 mi from your airports · yours: 75%

    Rank flightsFares

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
78
F
75
M
79
A
80
M
79
J
71
J
64
A
80
S
88
O
79
N
74
D
74

What delays this route

  • Airline (crew, maintenance, boarding)35%
  • Late-arriving aircraft31%
  • Air traffic control and airport volume26%
  • Severe weather8%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

Finding the most reliable connections from EWR to SLC…

EWR to SLC questions

What time of day is best to fly EWR to SLC?
9 AM to noon: 87% of flights arrived on time, against 70% for departures 6 to 9 PM.
Which airline is most on time from EWR to SLC?
United, with a season-adjusted 77% chance of operating and arriving on time over 591 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on EWR to SLC?
July (64% on time); the best was September (88%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from EWR

Most on-time flights from EWR on every route →

Live status: FAA delays and ground stops