Route on-time record
SLC to LGB: most on-time flights and the best time to fly
Salt Lake City (Salt Lake City International Airport) to Long Beach (Long Beach International Airport). 1,540 nonstop flights in Jun 2025 to May 2026, 87% arrived within 15 minutes and 0.2% were cancelled. The most reliable flight number was SkyWest 3793 at 3:17 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
SLC → LGB
Salt Lake City to Long Beach: 1,540 nonstop flights a year
On time (12 months)
87%
Cancelled
0.2%
avg delay 7 min
Best time to leave
3 to 6 PM
92% on time vs 83% noon to 3 PM
Most reliable airline
SkyWest
93% chance on time
Lowest nonstop fare seen in the next two months: $343 (Southwest 4154 on 2026-10-25). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · SkyWest 3793 · sold as United Express, Delta Connection, American Eagle or Alaska
3:17 PM → 4:19 PM2h 02m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 94% of the time (358 flights, Jun 2025 to May 2026).
- Never cancelled in 359 scheduled flights.
- Leaves in this route's most on-time window (3 to 6 PM: 92% on time; Noon to 3 PM: 83%).
Strong track record · 358 flights
Find 3:17 PM flight fares Opens this date on Aviasales#2 · SkyWest 3754 · sold as United Express, Delta Connection, American Eagle or Alaska
8:45 PM → 9:43 PM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-19. Same departure also flew as SkyWest 3670; its record covers all of them.
94%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 92% of the time (37 flights, Jun 2025 to May 2026).
- Never cancelled in 37 scheduled flights.
- Short track record (37 flights), so its score leans on the airline's record at this hour.
Limited track record · 37 flights
Find 8:45 PM flight fares Opens this date on Aviasales#3 · SkyWest 3503 · sold as United Express, Delta Connection, American Eagle or Alaska
8:30 PM → 9:32 PM2h 02m nonstop
Local times, typical schedule. Last flown 2026-04-12.
92%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 89% of the time (36 flights, Jun 2025 to May 2026).
- Never cancelled in 36 scheduled flights.
- Short track record (36 flights), so its score leans on the airline's record at this hour.
Limited track record · 36 flights
Find 8:30 PM flight fares Opens this date on Aviasales#4 · Delta 1116
11:05 AM → 12:07 PM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.6%
- Avg arrival delay
- 10 min
- Arrived on time 89% of the time (169 flights, Jun 2025 to May 2026).
Moderate track record · 169 flights
Find Delta 1116 fares Opens this date on Aviasales#5 · Delta 954
8:45 PM → 9:43 PM1h 58m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 75% of the time (12 flights, Jun 2025 to May 2026).
- Short track record (12 flights), so its score leans on the airline's record at this hour.
Limited track record · 12 flights
Find Delta 954 fares Opens this date on Aviasales#6 · Southwest 4128
11:10 AM → 12:05 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-27.
84%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 88% of the time (16 flights, Jun 2025 to May 2026).
- 95% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (16 flights), so its score leans on the airline's record at this hour.
Limited track record · 16 flights
Find Southwest 4128 fares Opens this date on Aviasales#7 · Southwest 4300
8:10 PM → 9:10 PM2h 00m nonstop
Local times, typical schedule. Last flown 2026-05-29.
76%
chance on time
- On time (history)
- 61%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 61% of the time (23 flights, Jun 2025 to May 2026).
- 89% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 4300 fares Opens this date on Aviasales#8 · Southwest 1648
6:30 PM → 7:20 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-04-06.
72%
chance on time
- On time (history)
- 73%
- Cancelled
- 0.0%
- Avg arrival delay
- 9 min
- Arrived on time 73% of the time (15 flights, Jun 2025 to May 2026).
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find Southwest 1648 fares Opens this date on Aviasales#9 · Southwest 4299
10:30 AM → 11:20 AM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-29.
70%
chance on time
- On time (history)
- 65%
- Cancelled
- 0.0%
- Avg arrival delay
- 13 min
- Arrived on time 65% of the time (23 flights, Jun 2025 to May 2026).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 4299 fares Opens this date on Aviasales#10 · Southwest 188
10:55 AM → 11:50 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 2324; its record covers all of them.
70%
chance on time
- On time (history)
- 67%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 67% of the time (48 flights, Jun 2025 to May 2026).
- Never cancelled in 48 scheduled flights.
- Short track record (48 flights), so its score leans on the airline's record at this hour.
Limited track record · 48 flights
Find Southwest 188 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)93%
651 flights · 94% on time as flown · 0.0% cancel
- Delta Air Lines88%
438 flights · 89% on time as flown · 0.4% cancel
- Southwest Airlines79%
451 flights · 77% on time as flown · 0.2% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon86%
511 flights · avg delay 9 min
- Noon to 3 PM83%
94 flights · avg delay 7 min
- 3 to 6 PM92%
461 flights · avg delay 5 min
- 6 to 9 PM85%
469 flights · avg delay 6 min
Best day: Saturday (92%). Worst: Sunday (84%).
Smarter routing
Nearby airports that run more on time
PVU → SNA 90% chance on time
Provo Municipal Airport to John Wayne Orange County International Airport · 409 flights a year · 61 mi from your airports · yours: 87%
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Airline (crew, maintenance, boarding)43%
- Late-arriving aircraft41%
- Air traffic control and airport volume9%
- Severe weather7%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
SLC to LGB questions
- What time of day is best to fly SLC to LGB?
- 3 to 6 PM: 92% of flights arrived on time, against 83% for departures noon to 3 PM.
- Which airline is most on time from SLC to LGB?
- SkyWest, with a season-adjusted 93% chance of operating and arriving on time over 651 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on SLC to LGB?
- February (84% on time); the best was September (92%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from SLC
- LGB to SLC (return)
- SLC to DEN 77%
- SLC to PHX 84%
- SLC to SEA 79%
- SLC to LAX 86%
- SLC to DFW 78%
- SLC to LAS 78%
- SLC to SFO 72%
- SLC to ORD 75%
- SLC to ATL 86%
- SLC to SAN 84%
- SLC to PDX 88%
- SLC to SMF 86%
Live status: FAA delays and ground stops