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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.

DAL → ATL

Dallas to Atlanta: 3,441 nonstop flights a year

On time (12 months)

79%

Cancelled

2.2%

avg delay 17 min

Best time to leave

Before 9 AM

89% on time vs 65% 3 to 6 PM

Most reliable airline

Delta

79% chance on time

Check DAL to ATL fares

Lowest nonstop fare seen in the next two months: $105 (Southwest 1014 on 2026-11-06). 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 1468

    6:00 AM → 9:00 AM2h 00m nonstop

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

    90%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    1 min
    • Arrived on time 100% of the time (23 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 89% on time; 3 to 6 PM: 65%).
    • Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 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 1468 fares Opens this date on Aviasales

  2. #2 · Southwest 2854

    8:50 AM → 11:50 AM2h 00m nonstop

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

    87%

    chance on time

    On time (history)
    93%
    Cancelled
    0.0%
    Avg arrival delay
    2 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: 89% on time; 3 to 6 PM: 65%).
    • Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 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 2854 fares Opens this date on Aviasales

  3. #3 · Southwest 3232

    9:05 AM → 12:10 PM2h 05m nonstop

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

    87%

    chance on time

    On time (history)
    90%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 90% of the time (39 flights, Jun 2025 to May 2026).
    • Never cancelled in 39 scheduled flights.
    • Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
    • Short track record (39 flights), so its score leans on the airline's record at this hour.

    Limited track record · 39 flights

    Find Southwest 3232 fares Opens this date on Aviasales

  4. #4 · Delta 516

    6:05 AM → 9:11 AM2h 07m nonstop

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

    85%

    chance on time

    On time (history)
    88%
    Cancelled
    3.3%
    Avg arrival delay
    11 min
    • Arrived on time 88% of the time (352 flights, Jun 2025 to May 2026).
    • Cancelled 3.3% of the time (12 of 365).
    • Leaves in this route's most on-time window (Before 9 AM: 89% on time; 3 to 6 PM: 65%).
    • Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).

    Strong track record · 352 flights

    Find Delta 516 fares Opens this date on Aviasales

  5. #5 · Southwest 247

    6:15 AM → 9:15 AM2h 00m nonstop

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

    85%

    chance on time

    On time (history)
    87%
    Cancelled
    0.0%
    Avg arrival delay
    5 min
    • Arrived on time 87% of the time (15 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 89% on time; 3 to 6 PM: 65%).
    • Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 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 247 fares Opens this date on Aviasales

  6. #6 · Delta 833

    7:12 AM → 10:20 AM2h 08m nonstop

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

    83%

    chance on time

    On time (history)
    79%
    Cancelled
    0.0%
    Avg arrival delay
    21 min
    • Arrived on time 79% of the time (24 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 89% on time; 3 to 6 PM: 65%).
    • Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
    • Short track record (24 flights), so its score leans on the airline's record at this hour.

    Limited track record · 24 flights

    Find Delta 833 fares Opens this date on Aviasales

  7. #7 · Southwest 6

    9:15 AM → 12:15 PM2h 00m nonstop

    Local times, typical schedule. Last flown 2026-04-01.

    83%

    chance on time

    On time (history)
    88%
    Cancelled
    0.0%
    Avg arrival delay
    7 min
    • Arrived on time 88% of the time (8 flights, Jun 2025 to May 2026).
    • Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 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 6 fares Opens this date on Aviasales

  8. #8 · Delta 1115

    12:12 PM → 3:14 PM2h 02m nonstop

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

    82%

    chance on time

    On time (history)
    84%
    Cancelled
    0.7%
    Avg arrival delay
    17 min
    • Arrived on time 84% of the time (274 flights, Jun 2025 to May 2026).
    • Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
    • Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Strong track record · 274 flights

    Find Delta 1115 fares Opens this date on Aviasales

  9. #9 · Delta 441

    10:42 AM → 1:19 PM2h 02m nonstop

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

    82%

    chance on time

    On time (history)
    83%
    Cancelled
    3.0%
    Avg arrival delay
    13 min
    • Arrived on time 83% of the time (193 flights, Jun 2025 to May 2026).
    • Cancelled 3.0% of the time (6 of 199).
    • Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
    • Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Moderate track record · 193 flights

    Find Delta 441 fares Opens this date on Aviasales

  10. #10 · Delta 2394

    12:25 PM → 3:30 PM2h 05m nonstop

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

    80%

    chance on time

    On time (history)
    83%
    Cancelled
    7.7%
    Avg arrival delay
    11 min
    • Arrived on time 83% of the time (48 flights, Jun 2025 to May 2026).
    • Cancelled 7.7% of the time (4 of 52).
    • Departs inside DAL's trouble window: 67% of its 42 ground stops and delay programs started between 10 AM and 4 PM.
    • Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Limited track record · 48 flights

    Find Delta 2394 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Delta Air Lines79%

    1,868 flights · 81% on time as flown · 2.7% cancel

  • Southwest Airlines74%

    1,573 flights · 76% on time as flown · 1.7% cancel

On time by departure time

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

  • Before 9 AM89%

    907 flights · avg delay 10 min

  • 9 AM to noon86%

    689 flights · avg delay 11 min

  • Noon to 3 PM78%

    580 flights · avg delay 15 min

  • 3 to 6 PM65%

    649 flights · avg delay 24 min

  • 6 to 9 PM68%

    598 flights · avg delay 29 min

Best day: Tuesday (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