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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 → BWI

Dallas to Baltimore: 1,827 nonstop flights a year

On time (12 months)

74%

Cancelled

1.9%

avg delay 17 min

Best time to leave

Before 9 AM

93% on time vs 58% 6 to 9 PM

Most reliable airline

Southwest

73% chance on time

Check DAL to BWI fares

Lowest nonstop fare seen in the next two months: $330 (Southwest 247 on 2026-10-18). 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 2072

    6:05 AM → 9:55 AM2h 50m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 1363; its record covers all of them.

    93%

    chance on time

    On time (history)
    96%
    Cancelled
    0.0%
    Avg arrival delay
    4 min
    • Arrived on time 96% of the time (81 flights, Jun 2025 to May 2026).
    • Never cancelled in 81 scheduled flights.
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 58%).
    • Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).

    Moderate track record · 81 flights

    Find Southwest 2072 fares Opens this date on Aviasales

  2. #2 · Southwest 1274

    8:10 AM → 12:00 PM2h 50m nonstop

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

    87%

    chance on time

    On time (history)
    93%
    Cancelled
    2.1%
    Avg arrival delay
    4 min
    • Arrived on time 93% of the time (44 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 58%).
    • 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 (44 flights), so its score leans on the airline's record at this hour.

    Limited track record · 44 flights

    Find Southwest 1274 fares Opens this date on Aviasales

  3. #3 · Southwest 2795

    7:20 AM → 11:05 AM2h 45m nonstop

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

    83%

    chance on time

    On time (history)
    87%
    Cancelled
    0.0%
    Avg arrival delay
    6 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: 93% on time; 6 to 9 PM: 58%).
    • 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 2795 fares Opens this date on Aviasales

  4. #4 · Southwest 1040

    6:15 AM → 10:00 AM2h 45m nonstop

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

    83%

    chance on time

    On time (history)
    67%
    Cancelled
    0.0%
    Avg arrival delay
    15 min
    • Arrived on time 67% of the time (18 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; 6 to 9 PM: 58%).
    • 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 (18 flights), so its score leans on the airline's record at this hour.

    Limited track record · 18 flights

    Find Southwest 1040 fares Opens this date on Aviasales

  5. #5 · Southwest 4203

    12:05 PM → 4:00 PM2h 55m nonstop

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

    70%

    chance on time

    On time (history)
    69%
    Cancelled
    0.0%
    Avg arrival delay
    16 min
    • Arrived on time 69% of the time (16 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 BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (16 flights), so its score leans on the airline's record at this hour.

    Limited track record · 16 flights

    Find Southwest 4203 fares Opens this date on Aviasales

  6. #6 · Southwest 2301

    12:40 PM → 4:25 PM2h 45m nonstop

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

    69%

    chance on time

    On time (history)
    63%
    Cancelled
    3.6%
    Avg arrival delay
    20 min
    • Arrived on time 63% of the time (27 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 BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
    • Short track record (27 flights), so its score leans on the airline's record at this hour.

    Limited track record · 27 flights

    Find Southwest 2301 fares Opens this date on Aviasales

  7. #7 · Southwest 46

    7:15 PM → 11:00 PM2h 45m nonstop

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

    65%

    chance on time

    On time (history)
    38%
    Cancelled
    0.0%
    Avg arrival delay
    47 min
    • Arrived on time 38% of the time (8 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 58% on time; Before 9 AM: 93%).
    • 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 46 fares Opens this date on Aviasales

  8. #8 · Southwest 3942

    8:10 PM → 11:55 PM2h 45m nonstop

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

    64%

    chance on time

    On time (history)
    60%
    Cancelled
    0.0%
    Avg arrival delay
    26 min
    • Arrived on time 60% of the time (15 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 58% on time; Before 9 AM: 93%).
    • Departs outside DAL's trouble window (10 AM to 4 PM, when 67% of its 42 ground stops and delay programs started).
    • 65% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 15 flights

    Find Southwest 3942 fares Opens this date on Aviasales

  9. #9 · Southwest 1533

    4:45 PM → 8:40 PM2h 55m nonstop

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

    63%

    chance on time

    On time (history)
    77%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 77% of the time (13 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 (13 flights), so its score leans on the airline's record at this hour.

    Limited track record · 13 flights

    Find Southwest 1533 fares Opens this date on Aviasales

  10. #10 · Southwest 2029

    5:30 PM → 9:25 PM2h 55m nonstop

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

    62%

    chance on time

    On time (history)
    55%
    Cancelled
    0.0%
    Avg arrival delay
    36 min
    • Arrived on time 55% of the time (47 flights, Jun 2025 to May 2026).
    • Never cancelled in 47 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 (47 flights), so its score leans on the airline's record at this hour.

    Limited track record · 47 flights

    Find Southwest 2029 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Southwest Airlines73%

    1,827 flights · 74% on time as flown · 1.9% cancel

On time by departure time

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

  • Before 9 AM93%

    599 flights · avg delay 4 min

  • 9 AM to noon81%

    246 flights · avg delay 16 min

  • Noon to 3 PM66%

    235 flights · avg delay 21 min

  • 3 to 6 PM62%

    363 flights · avg delay 27 min

  • 6 to 9 PM58%

    362 flights · avg delay 27 min

Best day: Saturday (81%). Worst: Sunday (73%).

Smarter routing

Nearby airports that run more on time

  • DFW → IAD 77% chance on time

    Dallas Fort Worth International Airport to Washington Dulles International Airport · 1,919 flights a year · 57 mi from your airports · yours: 73%

    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