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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.

SJC → SLC

San Jose to Salt Lake City: 1,817 nonstop flights a year

On time (12 months)

92%

Cancelled

0.5%

avg delay 7 min

Best time to leave

9 AM to noon

96% on time vs 87% noon to 3 PM

Most reliable airline

SkyWest

95% chance on time

Check SJC to SLC fares

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 3982 · sold as United Express, Delta Connection, American Eagle or Alaska

    9:40 AM → 12:39 PM1h 59m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 3667; its record covers all of them.

    97%

    chance on time

    On time (history)
    96%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 96% of the time (56 flights, Jun 2025 to May 2026).
    • Never cancelled in 56 scheduled flights.
    • Leaves in this route's most on-time window (9 AM to noon: 96% on time; Noon to 3 PM: 87%).
    • Short track record (56 flights), so its score leans on the airline's record at this hour.

    Limited track record · 56 flights

    Find 9:40 AM flight fares Opens this date on Aviasales

  2. #2 · SkyWest 3785 · sold as United Express, Delta Connection, American Eagle or Alaska

    4:50 PM → 7:49 PM1h 59m nonstop

    Local times, typical schedule. Last flown 2026-05-06. Same departure also flew as SkyWest 3679; its record covers all of them.

    95%

    chance on time

    On time (history)
    95%
    Cancelled
    0.0%
    Avg arrival delay
    4 min
    • Arrived on time 95% of the time (55 flights, Jun 2025 to May 2026).
    • Never cancelled in 55 scheduled flights.
    • Short track record (55 flights), so its score leans on the airline's record at this hour.

    Limited track record · 55 flights

    Find 4:50 PM flight fares Opens this date on Aviasales

  3. #3 · Delta 2550

    9:37 AM → 12:30 PM1h 53m nonstop

    Local times, typical schedule. Last flown 2026-05-06.

    94%

    chance on time

    On time (history)
    94%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 94% of the time (34 flights, Jun 2025 to May 2026).
    • Never cancelled in 34 scheduled flights.
    • Leaves in this route's most on-time window (9 AM to noon: 96% on time; Noon to 3 PM: 87%).
    • Short track record (34 flights), so its score leans on the airline's record at this hour.

    Limited track record · 34 flights

    Find Delta 2550 fares Opens this date on Aviasales

  4. #4 · Delta 1314

    6:00 AM → 8:55 AM1h 55m nonstop

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

    93%

    chance on time

    On time (history)
    95%
    Cancelled
    1.6%
    Avg arrival delay
    7 min
    • Arrived on time 95% of the time (359 flights, Jun 2025 to May 2026).

    Strong track record · 359 flights

    Find Delta 1314 fares Opens this date on Aviasales

  5. #5 · Delta 1260

    4:59 PM → 7:58 PM1h 59m nonstop

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

    91%

    chance on time

    On time (history)
    92%
    Cancelled
    0.0%
    Avg arrival delay
    3 min
    • Arrived on time 92% of the time (25 flights, Jun 2025 to May 2026).
    • Short track record (25 flights), so its score leans on the airline's record at this hour.

    Limited track record · 25 flights

    Find Delta 1260 fares Opens this date on Aviasales

  6. #6 · Delta 1254

    1:35 PM → 4:35 PM2h 00m nonstop

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

    91%

    chance on time

    On time (history)
    93%
    Cancelled
    0.0%
    Avg arrival delay
    8 min
    • Arrived on time 93% of the time (147 flights, Jun 2025 to May 2026).
    • Never cancelled in 147 scheduled flights.
    • Leaves in this route's least on-time window (Noon to 3 PM: 87% on time; 9 AM to noon: 96%).

    Moderate track record · 147 flights

    Find Delta 1254 fares Opens this date on Aviasales

  7. #7 · SkyWest 3937 · sold as United Express, Delta Connection, American Eagle or Alaska

    7:00 PM → 9:55 PM1h 55m nonstop

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

    90%

    chance on time

    On time (history)
    80%
    Cancelled
    0.0%
    Avg arrival delay
    23 min
    • Arrived on time 80% of the time (20 flights, Jun 2025 to May 2026).
    • Short track record (20 flights), so its score leans on the airline's record at this hour.

    Limited track record · 20 flights

    Find 7:00 PM flight fares Opens this date on Aviasales

  8. #8 · Southwest 2284

    5:05 PM → 8:00 PM1h 55m nonstop

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

    89%

    chance on time

    On time (history)
    87%
    Cancelled
    0.0%
    Avg arrival delay
    8 min
    • Arrived on time 87% of the time (30 flights, Jun 2025 to May 2026).
    • Never cancelled in 30 scheduled flights.
    • Short track record (30 flights), so its score leans on the airline's record at this hour.

    Limited track record · 30 flights

    Find Southwest 2284 fares Opens this date on Aviasales

  9. #9 · Southwest 3497

    2:05 PM → 4:55 PM1h 50m nonstop

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

    78%

    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).
    • Leaves in this route's least on-time window (Noon to 3 PM: 87% on time; 9 AM to noon: 96%).
    • Short track record (15 flights), so its score leans on the airline's record at this hour.

    Limited track record · 15 flights

    Find Southwest 3497 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)95%

    689 flights · 95% on time as flown · 0.2% cancel

  • Delta Air Lines91%

    893 flights · 92% on time as flown · 0.7% cancel

  • Southwest Airlines87%

    235 flights · 86% on time as flown · 0.5% cancel

On time by departure time

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

  • Before 9 AM95%

    367 flights · avg delay 7 min

  • 9 AM to noon96%

    412 flights · avg delay 3 min

  • Noon to 3 PM87%

    485 flights · avg delay 13 min

  • 3 to 6 PM93%

    407 flights · avg delay 6 min

  • 6 to 9 PM92%

    146 flights · avg delay 8 min

Best day: Tuesday (95%). Worst: Sunday (90%).

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