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Route · SJC → LGB · 2020–2025 BTS data

San Jose to Long Beach

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SJC to LGB (San Jose to Long Beach) ranks #1862 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

87.8%
On-time
+8.8 pts
vs US avg
55 min
Delay when late
6,786
Flights
#1862 of 4927
Corpus placement

Cancelled

0.4%

Best Month

Mar 2025 95%

Worst Month

Oct 2025 76%

Distance

324 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 93 18 1 0 WN
Nov 2025 92 18 0 0 WN
Oct 2025 96 23 0 0 WN
Sep 2025 103 18 0 0 WN
Aug 2025 106 10 0 0 WN
Jul 2025 105 16 0 0 WN
Jun 2025 105 17 0 0 WN
May 2025 120 6 0 0 WN
Apr 2025 113 10 0 0 WN
Mar 2025 106 5 0 0 WN
Feb 2025 94 13 1 1 WN
Jan 2025 101 6 0 0 WN
Dec 2024 126 18 1 1 WN
Nov 2024 119 6 0 0 WN
Oct 2024 117 15 2 0 WN
Sep 2024 107 11 0 0 WN
Aug 2024 110 18 0 0 WN
Jul 2024 115 12 1 0 WN
Jun 2024 110 14 0 0 WN
May 2024 107 13 0 0 WN
Apr 2024 103 16 1 0 WN
Mar 2024 107 11 1 0 WN
Feb 2024 104 8 0 0 WN
Jan 2024 111 12 2 1 WN

SJC–LGB seasonal on-time pattern

Best: February (91.5%) · weakest: October (81.3%)

80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 85.7%

Strongest calendar month

February

91.5% on-time · ~102 flights/mo

Busiest calendar month

January

~111 flights/mo avg

Weakest calendar month

October

81.3% on-time · ~106 flights/mo

Cancellation Rate

0.4%

10 of 2,570 flights

Diversion Rate

0.1%

3 of 2,570 flights

Explore origin & destination

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

SJC - San Jose

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

SJC on-time profile

LGB - Long Beach

Full on-time, delay-cause, and seasonal performance for Long Beach, CA.

LGB on-time profile

Compare the two airports

See SJC and LGB side by side on delays, cancellations, and reliability.

Compare SJC vs LGB

Origin-hub reliability standing

Among SJC's stronger departures

SJC → LGB posts a 87.8% on-time rate, landing in the ≥85% band with 21 of 31 BTS-tracked routes leaving San Jose. The same hub also shows 9 mid-band and 1 challenged departures · fleet-wide on-time rank #465 of 4927 (highest on-time = #1).

What the Data Says About SJC to LGB

San Jose to Long Beach (SJC to LGB) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.8% on-time rate across 6,786 flights, with delays that do happen averaging 54.5 minutes. The corridor runs roughly 324 miles and is served by 2 carriers. Over the most recent 24 months, 10 of 2,570 flights were cancelled (0.4%) and 3 diverted (0.1%).

The monthly split is wide on this route: Mar 2025 posted the strongest performance at 95% on-time, while Oct 2025 came in at just 76% - a 19-point swing worth factoring into travel timing.

On the multi-year calendar, SJC–LGB peaks in February at 91.5% on-time while January carries the heaviest traffic (~111 flights per month) ; the softest month is October at 81.3%, a 10.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SJC to LGB rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SJC to LGB ranks #1862 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 SJC to LGB? ▼
Flights from San Jose to Long Beach have a 87.8% on-time rate based on 6,786 flights. The average delay is 54.5 minutes. The best recent month was Mar 2025 with 95% on-time.
What is the cancellation rate for SJC to LGB? ▼
Over the last 24 months, 0.4% of flights on this route were cancelled (10 of 2,570 flights) and 0.1% were diverted.
How far is the flight from SJC to LGB? ▼
The flight distance from San Jose (SJC) to Long Beach (LGB) is approximately 324 miles. This route is served by 2 carriers.
When is the best time to fly from SJC to LGB? ▼
The best recent month for on-time performance was Mar 2025 (95% on-time). The worst was Oct 2025 (76% on-time). Consider booking during months with historically better performance.

Airports on this route

SJC Airport

San Jose
LGB Airport

Long Beach
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 SJC–LGB data

SJC–LGB runs 8.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SJC and LGB airport profiles: delay causes and top routes differ even on the same corridor. SJC airport
  • If your dates flex, February (91.5% on-time) beats October (81.3%) on this corridor. Seasonal chart
  • 4 other routes post a similar 87.8% 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.