PlainFlights

Route · SAN → EWR · 2020–2025 BTS data

San Diego to Newark

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SAN to EWR (San Diego to Newark) ranks #1448 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

81.4%
On-time
+2.4 pts
vs US avg
81 min
Delay when late
8,407
Flights
#1448 of 4927
Corpus placement

Cancelled

1.9%

Best Month

Sep 2024 91%

Worst Month

May 2025 65%

Distance

2,425 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 124 27 2 2 AS,UA
Nov 2025 118 23 2 1 UA,AS
Oct 2025 145 24 0 1 AS,UA
Sep 2025 143 20 3 3 UA,AS
Aug 2025 155 35 3 0 UA,AS
Jul 2025 154 32 9 5 AS,UA
Jun 2025 136 17 1 2 AS,UA
May 2025 137 48 4 1 AS,UA
Apr 2025 118 34 0 3 UA,AS
Mar 2025 124 26 0 0 AS,UA
Feb 2025 100 19 0 0 AS,UA
Jan 2025 98 15 2 0 AS,UA
Dec 2024 124 31 3 0 AS,UA
Nov 2024 117 17 0 0 UA,AS
Oct 2024 150 36 5 1 UA,AS
Sep 2024 150 13 0 2 UA,AS
Aug 2024 155 26 9 6 AS,UA
Jul 2024 155 38 5 2 AS,UA
Jun 2024 150 22 1 1 AS,UA
May 2024 153 23 2 0 AS,UA
Apr 2024 148 21 2 2 AS,UA
Mar 2024 125 15 1 0 AS,UA
Feb 2024 102 9 0 2 AS,UA
Jan 2024 100 12 5 0 AS,UA

SAN–EWR seasonal on-time pattern

Best: January (86.9%) · weakest: July (74.8%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 78.3%

Strongest calendar month

January

86.9% on-time · ~103 flights/mo

Busiest calendar month

July

~146 flights/mo avg

Weakest calendar month

July

74.8% on-time · ~146 flights/mo

Cancellation Rate

1.9%

59 of 3,181 flights

Diversion Rate

1.1%

34 of 3,181 flights

Explore origin & destination

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

SAN - San Diego

Full on-time, delay-cause, and seasonal performance for San Diego, CA.

SAN on-time profile

EWR - Newark

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

EWR on-time profile

Compare the two airports

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

Compare SAN vs EWR

Origin-hub reliability standing

Mid-pack among SAN departures

From SAN, this corridor sits with 34 other 75–85% on-time routes out of 51 tracked departures, not the hub's reliability leaders (13 at ≥85%) and not the softest ( 4 below 75%). Destination: Newark · fleet on-time rank #2591 of 4927.

What the Data Says About SAN to EWR

8,407 tracked flights put the SAN to EWR pairing (San Diego to Newark) at a 81.4% on-time rate, squarely in line with the wider network. Delays that do occur run 80.8 minutes on average. Across the 2,425-mile route and its 6 carriers, the trailing 24 months show 1.9% cancelled and 1.1% diverted (3,181 flights sampled).

The monthly split is wide on this route: Sep 2024 posted the strongest performance at 91% on-time, while May 2025 came in at just 65% - a 26-point swing worth factoring into travel timing.

On the multi-year calendar, SAN–EWR peaks in January at 86.9% on-time while July carries the heaviest traffic (~146 flights per month) ; the softest month is July at 74.8%, a 12.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SAN to EWR rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SAN to EWR ranks #1448 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 SAN to EWR? ▼
Flights from San Diego to Newark have a 81.4% on-time rate based on 8,407 flights. The average delay is 80.8 minutes. The best recent month was Sep 2024 with 91% on-time.
What is the cancellation rate for SAN to EWR? ▼
Over the last 24 months, 1.9% of flights on this route were cancelled (59 of 3,181 flights) and 1.1% were diverted.
How far is the flight from SAN to EWR? ▼
The flight distance from San Diego (SAN) to Newark (EWR) is approximately 2,425 miles. This route is served by 6 carriers.
When is the best time to fly from SAN to EWR? ▼
The best recent month for on-time performance was Sep 2024 (91% on-time). The worst was May 2025 (65% on-time). Consider booking during months with historically better performance.

Airports on this route

SAN Airport

San Diego
EWR Airport

Newark
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 SAN–EWR data

SAN–EWR is mid-pack at 81.4% on-time; month and carrier mix move more than the corridor headline.

  • Compare SAN and EWR airport profiles: delay causes and top routes differ even on the same corridor. SAN airport
  • If your dates flex, January (86.9% on-time) beats July (74.8%) on this corridor. Seasonal chart
  • 4 other routes post a similar 81.4% 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.