PlainFlights

Route · EWR → SLC · 2020–2025 BTS data

Newark to Salt Lake City

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), EWR to SLC (Newark to Salt Lake City) ranks #2318 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.3%
On-time
-1.7 pts
vs US avg
89 min
Delay when late
5,410
Flights
#2318 of 4927
Corpus placement

Cancelled

1.3%

Best Month

Sep 2025 91%

Worst Month

May 2025 58%

Distance

1,969 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 105 34 4 0 DL,UA
Nov 2025 88 31 1 0 UA,DL
Oct 2025 92 28 0 1 DL,UA
Sep 2025 90 8 0 0 UA,DL
Aug 2025 92 14 0 0 UA,DL
Jul 2025 91 30 4 0 UA,DL
Jun 2025 90 28 1 0 UA,DL
May 2025 93 39 1 0 UA,DL
Apr 2025 90 33 0 0 DL,UA
Mar 2025 169 32 1 0 UA,DL
Feb 2025 128 47 0 0 UA,DL
Jan 2025 119 29 0 0 UA,DL
Dec 2024 97 30 1 0 DL,UA
Nov 2024 79 22 0 0 UA,DL
Oct 2024 82 9 0 0 UA,DL
Sep 2024 83 9 0 0 UA,DL
Aug 2024 93 24 7 0 DL,UA
Jul 2024 91 28 8 0 DL,UA
Jun 2024 90 15 1 0 DL,UA
May 2024 92 12 1 0 DL,UA
Apr 2024 120 18 2 1 DL,UA
Mar 2024 148 22 0 0 DL,UA
Feb 2024 116 18 0 0 DL,UA
Jan 2024 124 25 0 1 DL,UA

EWR–SLC seasonal on-time pattern

Best: September (84.6%) · weakest: July (69.4%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 74%

Strongest calendar month

September

84.6% on-time · ~75 flights/mo

Busiest calendar month

March

~110 flights/mo avg

Weakest calendar month

July

69.4% on-time · ~77 flights/mo

Cancellation Rate

1.3%

32 of 2,462 flights

Diversion Rate

0.1%

3 of 2,462 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

EWR - Newark

Full on-time, delay-cause, and seasonal performance for Newark, NJ.

EWR on-time profile

SLC - Salt Lake City

Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.

SLC on-time profile

Compare the two airports

See EWR and SLC side by side on delays, cancellations, and reliability.

Compare EWR vs SLC

Origin-hub reliability standing

Mid-pack among EWR departures

From EWR, this corridor sits with 60 other 75–85% on-time routes out of 74 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 9 below 75%). Destination: Salt Lake City · fleet on-time rank #4021 of 4927.

What the Data Says About EWR to SLC

The Newark to Salt Lake City corridor (EWR to SLC) posts a 77.3% on-time rate on the lower edge of the average band, based on 5,410 tracked flights. Late flights run 88.7 minutes behind on average. 4 carriers cover the 1,969-mile route; over the last 24 months, 32 of 2,462 flights were cancelled (1.3%) and 0.1% diverted.

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 91% on-time, while May 2025 came in at just 58% - a 33-point swing worth factoring into travel timing.

On the multi-year calendar, EWR–SLC peaks in September at 84.6% on-time while March carries the heaviest traffic (~110 flights per month) ; the softest month is July at 69.4%, a 15.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does EWR to SLC rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, EWR to SLC ranks #2318 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from EWR to SLC? ▼
Flights from Newark to Salt Lake City have a 77.3% on-time rate based on 5,410 flights. The average delay is 88.7 minutes. The best recent month was Sep 2025 with 91% on-time.
What is the cancellation rate for EWR to SLC? ▼
Over the last 24 months, 1.3% of flights on this route were cancelled (32 of 2,462 flights) and 0.1% were diverted.
How far is the flight from EWR to SLC? ▼
The flight distance from Newark (EWR) to Salt Lake City (SLC) is approximately 1,969 miles. This route is served by 4 carriers.
When is the best time to fly from EWR to SLC? ▼
The best recent month for on-time performance was Sep 2025 (91% on-time). The worst was May 2025 (58% on-time). Consider booking during months with historically better performance.

Airports on this route

EWR Airport

Newark
SLC Airport

Salt Lake City
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using EWR–SLC data

EWR–SLC is mid-pack at 77.3% on-time; month and carrier mix move more than the corridor headline.

  • Compare EWR and SLC airport profiles: delay causes and top routes differ even on the same corridor. EWR airport
  • If your dates flex, September (84.6% on-time) beats July (69.4%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.3% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.