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Route · EWR → SFO · 2020–2025 BTS data

Newark to San Francisco

The EWR–SFO corridor (Newark, NJ → San Francisco, CA) runs behind the national average, served by 7 carriers across roughly 2,565 miles.

Data updated 2026-06-13

76.2%
On-time
-2.8 pts
vs US avg
83 min
Delay when late
22,094
Flights

Cancelled

2.0%

Best Month

Jan 2025 90%

Worst Month

Dec 2025 59%

Distance

2,565 mi

Carriers

7

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 368 152 4 2 AS,UA
Nov 2025 351 92 7 1 UA,AS
Oct 2025 389 136 3 0 AS,UA
Sep 2025 357 85 5 0 UA,AS
Aug 2025 385 88 11 2 UA,AS
Jul 2025 397 129 18 1 AS,UA
Jun 2025 383 117 10 3 AS,UA
May 2025 418 107 15 0 AS,UA
Apr 2025 401 87 3 0 UA,AS
Mar 2025 355 67 0 0 AS,UA
Feb 2025 290 79 0 3 AS,UA
Jan 2025 314 32 0 0 AS,UA
Dec 2024 373 94 2 1 AS,UA
Nov 2024 396 130 2 0 UA,AS
Oct 2024 367 54 3 0 UA,AS
Sep 2024 330 62 3 0 UA,AS
Aug 2024 341 97 19 1 AS,UA
Jul 2024 341 108 16 0 AS,UA
Jun 2024 326 115 10 0 AS,UA
May 2024 337 126 11 1 AS,UA
Apr 2024 324 117 5 1 AS,UA
Mar 2024 321 91 4 0 AS,UA
Feb 2024 269 75 3 1 AS,UA
Jan 2024 287 50 13 0 AS,UA

Cancellation Rate

2.0%

167 of 8,420 flights

Diversion Rate

0.2%

17 of 8,420 flights

What the Data Says About EWR to SFO

The Newark to San Francisco corridor (EWR to SFO) posts a 76.2% on-time rate on the lower edge of the average band, based on 22,094 tracked flights. Late flights run 83.4 minutes behind on average. 7 carriers cover the 2,565-mile route; over the last 24 months, 167 of 8,420 flights were cancelled (2.0%) and 0.2% diverted.

The monthly split is wide on this route: Jan 2025 posted the strongest performance at 90% on-time, while Dec 2025 came in at just 59% - a 31-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from EWR to SFO?
Flights from Newark to San Francisco have a 76.2% on-time rate based on 22,094 flights. The average delay is 83.4 minutes. The best recent month was Jan 2025 with 90% on-time.
What is the cancellation rate for EWR to SFO?
Over the last 24 months, 2.0% of flights on this route were cancelled (167 of 8,420 flights) and 0.2% were diverted.
How far is the flight from EWR to SFO?
The flight distance from Newark (EWR) to San Francisco (SFO) is approximately 2,565 miles. This route is served by 7 carriers.
When is the best time to fly from EWR to SFO?
The best recent month for on-time performance was Jan 2025 (90% on-time). The worst was Dec 2025 (59% on-time). Consider booking during months with historically better performance.

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Data source

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

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 Editorial

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.