PlainFlights

Route · SFO → EWR · 2020–2025 BTS data

San Francisco to Newark

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFO to EWR (San Francisco to Newark) ranks #276 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.5%
On-time
-1.5 pts
vs US avg
74 min
Delay when late
22,079
Flights
#276 of 4927
Corpus placement

Cancelled

1.7%

Best Month

Jan 2025 88%

Worst Month

May 2025 59%

Distance

2,565 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 366 108 2 0 AS,UA
Nov 2025 351 82 6 0 UA,AS
Oct 2025 389 85 5 0 AS,UA
Sep 2025 357 81 2 1 UA,AS
Aug 2025 384 115 11 2 UA,AS
Jul 2025 397 139 15 8 AS,UA
Jun 2025 384 105 9 2 AS,UA
May 2025 417 172 15 0 AS,UA
Apr 2025 401 88 4 7 UA,AS
Mar 2025 356 75 0 1 AS,UA
Feb 2025 290 42 0 1 AS,UA
Jan 2025 313 37 0 1 AS,UA
Dec 2024 374 96 2 2 AS,UA
Nov 2024 396 115 1 2 UA,AS
Oct 2024 366 48 0 2 UA,AS
Sep 2024 330 60 2 2 UA,AS
Aug 2024 341 89 17 5 AS,UA
Jul 2024 341 112 13 4 AS,UA
Jun 2024 326 80 8 3 AS,UA
May 2024 337 68 11 0 AS,UA
Apr 2024 324 61 5 3 AS,UA
Mar 2024 323 75 3 0 AS,UA
Feb 2024 269 54 2 1 AS,UA
Jan 2024 288 62 14 1 AS,UA

SFO–EWR seasonal on-time pattern

Best: February (82.8%) · weakest: June (71.6%)

70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 72.5%

Strongest calendar month

February

82.8% on-time · ~291 flights/mo

Busiest calendar month

March

~328 flights/mo avg

Weakest calendar month

June

71.6% on-time · ~297 flights/mo

Cancellation Rate

1.7%

147 of 8,420 flights

Diversion Rate

0.6%

48 of 8,420 flights

Explore origin & destination

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

SFO - San Francisco

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

SFO 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 SFO and EWR side by side on delays, cancellations, and reliability.

Compare SFO vs EWR

Origin-hub reliability standing

Mid-pack among SFO departures

From SFO, this corridor sits with 50 other 75–85% on-time routes out of 73 tracked departures, not the hub's reliability leaders (20 at ≥85%) and not the softest ( 3 below 75%). Destination: Newark · fleet on-time rank #3982 of 4927.

What the Data Says About SFO to EWR

The San Francisco to Newark corridor (SFO to EWR) posts a 77.5% on-time rate on the lower edge of the average band, based on 22,079 tracked flights. Late flights run 74.2 minutes behind on average. 7 carriers cover the 2,565-mile route; over the last 24 months, 147 of 8,420 flights were cancelled (1.7%) and 0.6% diverted.

The monthly split is wide on this route: Jan 2025 posted the strongest performance at 88% on-time, while May 2025 came in at just 59% - a 29-point swing worth factoring into travel timing.

On the multi-year calendar, SFO–EWR peaks in February at 82.8% on-time while March carries the heaviest traffic (~328 flights per month) ; the softest month is June at 71.6%, a 11.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SFO to EWR rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SFO to EWR ranks #276 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 SFO to EWR? ▼
Flights from San Francisco to Newark have a 77.5% on-time rate based on 22,079 flights. The average delay is 74.2 minutes. The best recent month was Jan 2025 with 88% on-time.
What is the cancellation rate for SFO to EWR? ▼
Over the last 24 months, 1.7% of flights on this route were cancelled (147 of 8,420 flights) and 0.6% were diverted.
How far is the flight from SFO to EWR? ▼
The flight distance from San Francisco (SFO) to Newark (EWR) is approximately 2,565 miles. This route is served by 7 carriers.
When is the best time to fly from SFO to EWR? ▼
The best recent month for on-time performance was Jan 2025 (88% on-time). The worst was May 2025 (59% on-time). Consider booking during months with historically better performance.

Airports on this route

SFO Airport

San Francisco
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 SFO–EWR data

SFO–EWR is mid-pack at 77.5% on-time; month and carrier mix move more than the corridor headline.

  • Compare SFO and EWR airport profiles: delay causes and top routes differ even on the same corridor. SFO airport
  • If your dates flex, February (82.8% on-time) beats June (71.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.5% 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.