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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.

LAS → OAK

Las Vegas to Oakland: 3,407 nonstop flights a year

On time (12 months)

73%

Cancelled

0.5%

avg delay 16 min

Best time to leave

Before 9 AM

93% on time vs 57% after 9 PM

Most reliable airline

Spirit

75% chance on time

Check LAS to OAK fares

Lowest nonstop fare seen in the next two months: $80 (Frontier 2045 on 2026-10-21). 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 · Southwest 2638

    5:45 AM → 7:20 AM1h 35m nonstop

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

    89%

    chance on time

    On time (history)
    96%
    Cancelled
    3.6%
    Avg arrival delay
    15 min
    • Arrived on time 96% of the time (27 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; After 9 PM: 57%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
    • Short track record (27 flights), so its score leans on the airline's record at this hour.

    Limited track record · 27 flights

    Find Southwest 2638 fares Opens this date on Aviasales

  2. #2 · Southwest 3596

    7:45 AM → 9:25 AM1h 40m nonstop

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

    89%

    chance on time

    On time (history)
    96%
    Cancelled
    0.0%
    Avg arrival delay
    3 min
    • Arrived on time 96% of the time (23 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; After 9 PM: 57%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
    • Short track record (23 flights), so its score leans on the airline's record at this hour.

    Limited track record · 23 flights

    Find Southwest 3596 fares Opens this date on Aviasales

  3. #3 · Southwest 4658

    6:00 AM → 7:35 AM1h 35m nonstop

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

    89%

    chance on time

    On time (history)
    95%
    Cancelled
    0.0%
    Avg arrival delay
    4 min
    • Arrived on time 95% of the time (22 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; After 9 PM: 57%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
    • Short track record (22 flights), so its score leans on the airline's record at this hour.

    Limited track record · 22 flights

    Find Southwest 4658 fares Opens this date on Aviasales

  4. #4 · Southwest 2860

    7:05 AM → 8:40 AM1h 35m nonstop

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

    89%

    chance on time

    On time (history)
    90%
    Cancelled
    0.0%
    Avg arrival delay
    5 min
    • Arrived on time 90% of the time (31 flights, Jun 2025 to May 2026).
    • Never cancelled in 31 scheduled flights.
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; After 9 PM: 57%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).

    Limited track record · 31 flights

    Find Southwest 2860 fares Opens this date on Aviasales

  5. #5 · Southwest 2354

    8:10 AM → 9:45 AM1h 35m nonstop

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

    89%

    chance on time

    On time (history)
    96%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 96% of the time (23 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; After 9 PM: 57%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
    • Short track record (23 flights), so its score leans on the airline's record at this hour.

    Limited track record · 23 flights

    Find Southwest 2354 fares Opens this date on Aviasales

  6. #6 · Southwest 1080

    5:05 AM → 6:35 AM1h 30m nonstop

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

    88%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    0 min
    • Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; After 9 PM: 57%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
    • Short track record (8 flights), so its score leans on the airline's record at this hour.

    Limited track record · 8 flights

    Find Southwest 1080 fares Opens this date on Aviasales

  7. #7 · Southwest 3382

    8:30 AM → 10:05 AM1h 35m nonstop

    Local times, typical schedule. Last flown 2026-05-27.

    86%

    chance on time

    On time (history)
    93%
    Cancelled
    6.3%
    Avg arrival delay
    1 min
    • Arrived on time 93% of the time (15 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; After 9 PM: 57%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
    • Short track record (15 flights), so its score leans on the airline's record at this hour.

    Limited track record · 15 flights

    Find Southwest 3382 fares Opens this date on Aviasales

  8. #8 · Southwest 384

    7:35 AM → 9:10 AM1h 35m nonstop

    Local times, typical schedule. Last flown 2026-04-05.

    86%

    chance on time

    On time (history)
    89%
    Cancelled
    10.0%
    Avg arrival delay
    2 min
    • Arrived on time 89% of the time (9 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; After 9 PM: 57%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
    • Short track record (9 flights), so its score leans on the airline's record at this hour.

    Limited track record · 9 flights

    Find Southwest 384 fares Opens this date on Aviasales

  9. #9 · Southwest 2958

    9:00 AM → 10:35 AM1h 35m nonstop

    Local times, typical schedule. Last flown 2026-05-29. Same departure also flew as Southwest 2164; its record covers all of them.

    85%

    chance on time

    On time (history)
    87%
    Cancelled
    0.0%
    Avg arrival delay
    7 min
    • Arrived on time 87% of the time (47 flights, Jun 2025 to May 2026).
    • Never cancelled in 47 scheduled flights.
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
    • Short track record (47 flights), so its score leans on the airline's record at this hour.

    Limited track record · 47 flights

    Find Southwest 2958 fares Opens this date on Aviasales

  10. #10 · Southwest 3285

    9:35 AM → 11:10 AM1h 35m nonstop

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

    83%

    chance on time

    On time (history)
    88%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).
    • Short track record (8 flights), so its score leans on the airline's record at this hour.

    Limited track record · 8 flights

    Find Southwest 3285 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Spirit Airlines75%

    235 flights · 76% on time as flown · 1.0% cancel

  • Southwest Airlines72%

    3,172 flights · 72% on time as flown · 0.4% cancel

On time by departure time

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

  • Before 9 AM93%

    688 flights · avg delay 4 min

  • 9 AM to noon81%

    574 flights · avg delay 10 min

  • Noon to 3 PM70%

    542 flights · avg delay 16 min

  • 3 to 6 PM66%

    546 flights · avg delay 20 min

  • 6 to 9 PM62%

    579 flights · avg delay 24 min

  • After 9 PM57%

    478 flights · avg delay 26 min

Best day: Wednesday (84%). Worst: Sunday (69%).

Smarter routing

Nearby airports that run more on time

  • LAS → SCK 83% chance on time

    Harry Reid International Airport to Stockton Metropolitan Airport · 411 flights a year · 55 mi from your airports · yours: 72%

    Rank flightsFares

  • LAS → SJC 78% chance on time

    Harry Reid International Airport to Norman Y. Mineta San Jose International Airport · 3,944 flights a year · 29 mi from your airports · yours: 72%

    Rank flightsFares

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