Route · SLC → LGB · 2020–2025 BTS data
Salt Lake City to Long Beach
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SLC to LGB (Salt Lake City to Long Beach) ranks #1437 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 89%
- On-time
- +10 pts
- vs US avg
- 64 min
- Delay when late
- 8,463
- Flights
- #1437 of 4927
- Corpus placement
Cancelled
0.2%
Best Month
Sep 2025 98%
Worst Month
Feb 2025 82%
Distance
588 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 130 | 21 | 1 | 0 | DL,WN,OO |
| Nov 2025 | 122 | 16 | 0 | 0 | OO,DL,WN |
| Oct 2025 | 127 | 15 | 0 | 0 | OO,WN,DL |
| Sep 2025 | 124 | 3 | 0 | 0 | WN,OO,DL |
| Aug 2025 | 127 | 8 | 0 | 1 | OO,WN,DL |
| Jul 2025 | 122 | 18 | 0 | 0 | OO,WN,DL |
| Jun 2025 | 121 | 9 | 1 | 0 | OO,WN,DL |
| May 2025 | 138 | 12 | 1 | 0 | OO,WN,DL |
| Apr 2025 | 134 | 15 | 0 | 0 | DL,OO,WN |
| Mar 2025 | 147 | 18 | 0 | 0 | OO,WN,DL |
| Feb 2025 | 129 | 23 | 0 | 1 | OO,WN,DL |
| Jan 2025 | 131 | 18 | 0 | 1 | OO,WN,DL |
| Dec 2024 | 131 | 23 | 0 | 1 | DL,OO,WN |
| Nov 2024 | 133 | 18 | 0 | 0 | OO,WN,DL |
| Oct 2024 | 140 | 21 | 0 | 0 | OO,WN,DL |
| Sep 2024 | 137 | 14 | 0 | 0 | WN,OO,DL |
| Aug 2024 | 141 | 18 | 0 | 0 | DL,WN,OO |
| Jul 2024 | 134 | 21 | 1 | 0 | DL,OO,WN |
| Jun 2024 | 132 | 13 | 1 | 0 | DL,OO,WN |
| May 2024 | 137 | 14 | 0 | 0 | DL,OO,WN |
| Apr 2024 | 132 | 11 | 0 | 0 | DL,OO,WN |
| Mar 2024 | 132 | 18 | 0 | 0 | DL,OO,WN |
| Feb 2024 | 125 | 12 | 0 | 0 | DL,OO,WN |
| Jan 2024 | 132 | 20 | 0 | 0 | DL,WN,OO |
SLC–LGB seasonal on-time pattern
Best: September (92.4%) · weakest: December (84.2%)
Strongest calendar month
September
92.4% on-time · ~112 flights/mo
Busiest calendar month
March
~139 flights/mo avg
Weakest calendar month
December
84.2% on-time · ~115 flights/mo
Cancellation Rate
0.2%
5 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.
SLC - Salt Lake City
Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.
SLC on-time profileLGB - Long Beach
Full on-time, delay-cause, and seasonal performance for Long Beach, CA.
LGB on-time profileCompare the two airports
See SLC and LGB side by side on delays, cancellations, and reliability.
Compare SLC vs LGBOrigin-hub reliability standing
Among SLC's stronger departures
SLC → LGB posts a 89% on-time rate, landing in the ≥85% band with 54 of 85 BTS-tracked routes leaving Salt Lake City. The same hub also shows 31 mid-band and 0 challenged departures · fleet-wide on-time rank #256 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SLC–LGB.
Routes with a similar on-time rate
What the Data Says About SLC to LGB
Salt Lake City to Long Beach (SLC to LGB) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89% on-time rate across 8,463 flights, with delays that do happen averaging 63.8 minutes. The corridor runs roughly 588 miles and is served by 16 carriers. Over the most recent 24 months, 5 of 3,158 flights were cancelled (0.2%) and 4 diverted (0.1%).
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 98% on-time, while Feb 2025 came in at just 82% - a 15-point swing worth factoring into travel timing.
On the multi-year calendar, SLC–LGB peaks in September at 92.4% on-time while March carries the heaviest traffic (~139 flights per month) ; the softest month is December at 84.2%, a 8.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SLC to LGB rank among US routes by traffic? ▼
How often are flights delayed from SLC to LGB? ▼
What is the cancellation rate for SLC to LGB? ▼
How far is the flight from SLC to LGB? ▼
When is the best time to fly from SLC to LGB? ▼
Airports on this route
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 SLC–LGB data
SLC–LGB runs 10 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare SLC and LGB airport profiles: delay causes and top routes differ even on the same corridor. SLC airport
- If your dates flex, September (92.4% on-time) beats December (84.2%) on this corridor. Seasonal chart
- 4 other routes post a similar 89% 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.
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.