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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 → DFW

Las Vegas to Dallas-Fort Worth: 5,242 nonstop flights a year

On time (12 months)

81%

Cancelled

2.8%

avg delay 19 min

Best time to leave

Before 9 AM

88% on time vs 68% 3 to 6 PM

Most reliable airline

Spirit

79% chance on time

Check LAS to DFW fares

Lowest nonstop fare seen in the next two months: $24 (Frontier 3978 on 2026-11-19). 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 · American 1780

    5:45 AM → 10:34 AM2h 49m nonstop

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

    91%

    chance on time

    On time (history)
    94%
    Cancelled
    2.5%
    Avg arrival delay
    5 min
    • Arrived on time 94% of the time (196 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).

    Moderate track record · 196 flights

    Find American 1780 fares Opens this date on Aviasales

  2. #2 · Frontier 3886

    6:00 AM → 10:56 AM2h 56m nonstop

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

    90%

    chance on time

    On time (history)
    96%
    Cancelled
    2.1%
    Avg arrival delay
    3 min
    • Arrived on time 96% of the time (47 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
    • 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 Frontier 3886 fares Opens this date on Aviasales

  3. #3 · American 2275

    6:30 AM → 11:19 AM2h 49m nonstop

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

    86%

    chance on time

    On time (history)
    90%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 90% of the time (30 flights, Jun 2025 to May 2026).
    • Never cancelled in 30 scheduled flights.
    • Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
    • 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 · 30 flights

    Find American 2275 fares Opens this date on Aviasales

  4. #4 · American 2932

    7:00 AM → 11:52 AM2h 52m nonstop

    Local times, typical schedule. Last flown 2026-05-20. Same departure also flew as American 654; its record covers all of them.

    86%

    chance on time

    On time (history)
    90%
    Cancelled
    4.0%
    Avg arrival delay
    24 min
    • Arrived on time 90% of the time (428 flights, Jun 2025 to May 2026).
    • Cancelled 4.0% of the time (18 of 447).
    • Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).

    Strong track record · 428 flights

    Find American 2932 fares Opens this date on Aviasales

  5. #5 · American 1908

    7:30 AM → 12:20 PM2h 50m nonstop

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

    85%

    chance on time

    On time (history)
    87%
    Cancelled
    2.0%
    Avg arrival delay
    14 min
    • Arrived on time 87% of the time (299 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).

    Strong track record · 299 flights

    Find American 1908 fares Opens this date on Aviasales

  6. #6 · American 2921

    12:59 AM → 5:39 AM2h 40m nonstop

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

    83%

    chance on time

    On time (history)
    87%
    Cancelled
    2.1%
    Avg arrival delay
    7 min
    • Arrived on time 87% of the time (141 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).

    Moderate track record · 141 flights

    Find American 2921 fares Opens this date on Aviasales

  7. #7 · American 614

    9:35 AM → 2:22 PM2h 47m nonstop

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

    82%

    chance on time

    On time (history)
    86%
    Cancelled
    0.8%
    Avg arrival delay
    18 min
    • Arrived on time 86% of the time (129 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).
    • Lands inside DFW's trouble window: 53% of its 139 ground stops and delay programs started between 1 PM and 7 PM.

    Moderate track record · 129 flights

    Find American 614 fares Opens this date on Aviasales

  8. #8 · American 617

    8:00 AM → 12:51 PM2h 51m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as American 1241; its record covers all of them.

    82%

    chance on time

    On time (history)
    81%
    Cancelled
    0.7%
    Avg arrival delay
    28 min
    • Arrived on time 81% of the time (277 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 88% on time; 3 to 6 PM: 68%).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).

    Strong track record · 277 flights

    Find American 617 fares Opens this date on Aviasales

  9. #9 · American 3285

    10:43 AM → 3:33 PM2h 50m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as American 1584; its record covers all of them.

    82%

    chance on time

    On time (history)
    86%
    Cancelled
    3.1%
    Avg arrival delay
    17 min
    • Arrived on time 86% of the time (247 flights, Jun 2025 to May 2026).
    • Cancelled 3.1% of the time (8 of 256).
    • Departs inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
    • Lands inside DFW's trouble window: 53% of its 139 ground stops and delay programs started between 1 PM and 7 PM.

    Strong track record · 247 flights

    Find American 3285 fares Opens this date on Aviasales

  10. #10 · American 3099

    11:45 PM → 4:28 AM2h 43m nonstop

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

    82%

    chance on time

    On time (history)
    84%
    Cancelled
    8.5%
    Avg arrival delay
    7 min
    • Arrived on time 84% of the time (64 flights, Jun 2025 to May 2026).
    • Cancelled 8.5% of the time (6 of 71).
    • Departs outside LAS's trouble window (10 AM to 4 PM, when 51% of its 104 ground stops and delay programs started).

    Moderate track record · 64 flights

    Find American 3099 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Spirit Airlines79%

    444 flights · 79% on time as flown · 1.7% cancel

  • Frontier Airlines79%

    785 flights · 81% on time as flown · 2.4% cancel

  • American Airlines78%

    4,013 flights · 81% on time as flown · 3.0% cancel

On time by departure time

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

  • Before 9 AM88%

    1,745 flights · avg delay 18 min

  • 9 AM to noon84%

    995 flights · avg delay 17 min

  • Noon to 3 PM72%

    846 flights · avg delay 26 min

  • 3 to 6 PM68%

    737 flights · avg delay 24 min

  • 6 to 9 PM79%

    239 flights · avg delay 24 min

  • After 9 PM82%

    680 flights · avg delay 12 min

Best day: Wednesday (82%). Worst: Sunday (75%).

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