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Route · LGB → SLC · 2020–2025 BTS data

Long Beach to Salt Lake City

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), LGB to SLC (Long Beach to Salt Lake City) ranks #1436 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

89.6%
On-time
+10.6 pts
vs US avg
81 min
Delay when late
8,463
Flights
#1436 of 4927
Corpus placement

Cancelled

0.2%

Best Month

Sep 2025 93%

Worst Month

Dec 2024 80%

Distance

588 mi

Carriers

15

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 130 14 1 1 DL,WN,OO
Nov 2025 122 15 0 0 OO,DL,WN
Oct 2025 127 18 0 0 OO,WN,DL
Sep 2025 124 9 0 0 WN,OO,DL
Aug 2025 127 12 0 0 OO,WN,DL
Jul 2025 122 16 0 0 OO,WN,DL
Jun 2025 121 9 1 0 OO,WN,DL
May 2025 138 23 1 0 OO,WN,DL
Apr 2025 134 12 0 0 DL,OO,WN
Mar 2025 147 14 0 0 OO,WN,DL
Feb 2025 129 13 0 0 OO,WN,DL
Jan 2025 131 19 0 0 OO,WN,DL
Dec 2024 131 26 0 0 DL,OO,WN
Nov 2024 133 12 0 0 OO,WN,DL
Oct 2024 140 13 0 0 OO,WN,DL
Sep 2024 137 19 0 1 WN,OO,DL
Aug 2024 141 15 0 1 DL,WN,OO
Jul 2024 134 17 2 0 DL,OO,WN
Jun 2024 132 16 2 0 DL,OO,WN
May 2024 137 18 0 0 DL,OO,WN
Apr 2024 132 24 0 0 DL,OO,WN
Mar 2024 132 25 0 1 DL,OO,WN
Feb 2024 125 11 0 0 DL,OO,WN
Jan 2024 132 20 0 0 DL,WN,OO

LGB–SLC seasonal on-time pattern

Best: November (91.6%) · weakest: December (85.2%)

84%86%88%90%92% JanFebMarAprMayJunJulAugSepOctNovDec 85.2%

Strongest calendar month

November

91.6% on-time · ~109 flights/mo

Busiest calendar month

March

~139 flights/mo avg

Weakest calendar month

December

85.2% on-time · ~115 flights/mo

Cancellation Rate

0.2%

7 of 3,158 flights

Diversion Rate

0.1%

4 of 3,158 flights

Explore origin & destination

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

LGB - Long Beach

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

LGB 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 LGB and SLC side by side on delays, cancellations, and reliability.

Compare LGB vs SLC

Origin-hub reliability standing

Among LGB's stronger departures

LGB → SLC posts a 89.6% on-time rate, landing in the ≥85% band with 8 of 16 BTS-tracked routes leaving Long Beach. The same hub also shows 8 mid-band and 0 challenged departures · fleet-wide on-time rank #178 of 4927 (highest on-time = #1).

What the Data Says About LGB to SLC

Long Beach to Salt Lake City (LGB to SLC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.6% on-time rate across 8,463 flights, with delays that do happen averaging 81.2 minutes. The corridor runs roughly 588 miles and is served by 15 carriers. Over the most recent 24 months, 7 of 3,158 flights were cancelled (0.2%) and 4 diverted (0.1%).

Monthly performance varies moderately here: Sep 2025 was the strongest month at 93% on-time versus Dec 2024 at 80%, a 13-point difference.

On the multi-year calendar, LGB–SLC peaks in November at 91.6% on-time while March carries the heaviest traffic (~139 flights per month) ; the softest month is December at 85.2%, a 6.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does LGB to SLC rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, LGB to SLC ranks #1436 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 LGB to SLC? ▼
Flights from Long Beach to Salt Lake City have a 89.6% on-time rate based on 8,463 flights. The average delay is 81.2 minutes. The best recent month was Sep 2025 with 93% on-time.
What is the cancellation rate for LGB to SLC? ▼
Over the last 24 months, 0.2% of flights on this route were cancelled (7 of 3,158 flights) and 0.1% were diverted.
How far is the flight from LGB to SLC? ▼
The flight distance from Long Beach (LGB) to Salt Lake City (SLC) is approximately 588 miles. This route is served by 15 carriers.
When is the best time to fly from LGB to SLC? ▼
The best recent month for on-time performance was Sep 2025 (93% on-time). The worst was Dec 2024 (80% on-time). Consider booking during months with historically better performance.

Airports on this route

LGB Airport

Long Beach
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 LGB–SLC data

LGB–SLC runs 10.6 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare LGB and SLC airport profiles: delay causes and top routes differ even on the same corridor. LGB airport
  • If your dates flex, November (91.6% on-time) beats December (85.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 89.6% 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.