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ATIS Alerts Smart Flight Search

Find the flight least likely to be delayed

Beta

We rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.

LGB → SLC

Long Beach to Salt Lake City: 1,540 nonstop flights a year

On time (12 months)

90%

Cancelled

0.3%

avg delay 8 min

Best time to leave

Before 9 AM

95% on time vs 68% 6 to 9 PM

Most reliable airline

SkyWest

93% chance on time

Check LGB to SLC fares

Lowest nonstop fare seen in the next two months: $300 (Southwest 1381 on 2026-10-24). 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. #1 · SkyWest 3642 · sold as United Express, Delta Connection, American Eagle or Alaska

    7:05 AM → 10:09 AM2h 04m nonstop

    Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as SkyWest 3671, 3501; its record covers all of them.

    96%

    chance on time

    On time (history)
    96%
    Cancelled
    0.0%
    Avg arrival delay
    9 min
    • Arrived on time 96% of the time (74 flights, Jun 2025 to May 2026).
    • Never cancelled in 74 scheduled flights.
    • Leaves in this route's most on-time window (Before 9 AM: 95% on time; 6 to 9 PM: 68%).

    Moderate track record · 74 flights

    Find 7:05 AM flight fares Opens this date on Aviasales

  2. #2 · Southwest 1249

    8:25 AM → 11:15 AM1h 50m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    94%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    0 min
    • Arrived on time 100% of the time (15 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 95% on time; 6 to 9 PM: 68%).
    • Short track record (15 flights), so its score leans on the airline's record at this hour.

    Limited track record · 15 flights

    Find Southwest 1249 fares Opens this date on Aviasales

  3. #3 · Southwest 2971

    8:50 AM → 11:35 AM1h 45m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    93%

    chance on time

    On time (history)
    93%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 93% of the time (29 flights, Jun 2025 to May 2026).
    • Never cancelled in 30 scheduled flights.
    • Leaves in this route's most on-time window (Before 9 AM: 95% on time; 6 to 9 PM: 68%).
    • Short track record (29 flights), so its score leans on the airline's record at this hour.

    Limited track record · 29 flights

    Find Southwest 2971 fares Opens this date on Aviasales

  4. #4 · SkyWest 3793 · sold as United Express, Delta Connection, American Eagle or Alaska

    5:03 PM → 8:00 PM2h 00m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    92%

    chance on time

    On time (history)
    92%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 92% of the time (355 flights, Jun 2025 to May 2026).
    • Never cancelled in 355 scheduled flights.

    Strong track record · 355 flights

    Find 5:03 PM flight fares Opens this date on Aviasales

  5. #5 · Southwest 3546

    1:20 PM → 4:10 PM1h 50m nonstop

    Local times, typical schedule. Last flown 2026-05-30.

    89%

    chance on time

    On time (history)
    96%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 96% of the time (24 flights, Jun 2025 to May 2026).
    • Short track record (24 flights), so its score leans on the airline's record at this hour.

    Limited track record · 24 flights

    Find Southwest 3546 fares Opens this date on Aviasales

  6. #6 · Southwest 4220

    7:25 PM → 10:10 PM1h 50m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    87%

    chance on time

    On time (history)
    88%
    Cancelled
    0.0%
    Avg arrival delay
    7 min
    • Arrived on time 88% of the time (33 flights, Jun 2025 to May 2026).
    • Never cancelled in 33 scheduled flights.
    • Leaves in this route's least on-time window (6 to 9 PM: 68% on time; Before 9 AM: 95%).
    • Short track record (33 flights), so its score leans on the airline's record at this hour.

    Limited track record · 33 flights

    Find Southwest 4220 fares Opens this date on Aviasales

  7. #7 · Delta 942

    7:05 AM → 10:06 AM2h 01m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    86%

    chance on time

    On time (history)
    73%
    Cancelled
    0.0%
    Avg arrival delay
    26 min
    • Arrived on time 73% of the time (11 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 95% on time; 6 to 9 PM: 68%).
    • Short track record (11 flights), so its score leans on the airline's record at this hour.

    Limited track record · 11 flights

    Find Delta 942 fares Opens this date on Aviasales

  8. #8 · Delta 1116

    1:05 PM → 3:59 PM1h 55m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    85%

    chance on time

    On time (history)
    87%
    Cancelled
    1.2%
    Avg arrival delay
    15 min
    • Arrived on time 87% of the time (167 flights, Jun 2025 to May 2026).

    Moderate track record · 167 flights

    Find Delta 1116 fares Opens this date on Aviasales

  9. #9 · Southwest 1297

    6:00 PM → 8:50 PM1h 50m nonstop

    Local times, typical schedule. Last flown 2026-05-29.

    73%

    chance on time

    On time (history)
    61%
    Cancelled
    0.0%
    Avg arrival delay
    22 min
    • Arrived on time 61% of the time (23 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 68% on time; Before 9 AM: 95%).
    • 76% 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 1297 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%

    652 flights · 94% on time as flown · 0.0% cancel

  • Southwest Airlines88%

    451 flights · 88% on time as flown · 0.2% cancel

  • Delta Air Lines86%

    437 flights · 86% on time as flown · 0.6% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM95%

    441 flights · avg delay 6 min

  • 9 AM to noon93%

    93 flights · avg delay 7 min

  • Noon to 3 PM86%

    524 flights · avg delay 12 min

  • 3 to 6 PM91%

    435 flights · avg delay 6 min

  • 6 to 9 PM68%

    47 flights · avg delay 16 min

Best day: Saturday (91%). Worst: Sunday (86%).

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