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ATIS Alerts Smart Flight Search

Find the flight least likely to be delayed

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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.

MDW → MCO

Chicago to Orlando: 2,789 nonstop flights a year

On time (12 months)

77%

Cancelled

1.4%

avg delay 15 min

Best time to leave

Before 9 AM

87% on time vs 64% 6 to 9 PM

Most reliable airline

Frontier

78% chance on time

Check MDW to MCO fares

Lowest nonstop fare seen in the next two months: $181 (Frontier 1458 on 2026-11-20). 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 3838

    5:35 AM → 9:05 AM2h 30m nonstop

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

    90%

    chance on time

    On time (history)
    93%
    Cancelled
    0.0%
    Avg arrival delay
    4 min
    • Arrived on time 93% of the time (55 flights, Jun 2025 to May 2026).
    • Never cancelled in 55 scheduled flights.
    • Leaves in this route's most on-time window (Before 9 AM: 87% on time; 6 to 9 PM: 64%).
    • Departs outside MDW's trouble window (7 AM to 1 PM, when 50% of its 30 ground stops and delay programs started).

    Limited track record · 55 flights

    Find Southwest 3838 fares Opens this date on Aviasales

  2. #2 · Southwest 3306

    7:45 AM → 11:20 AM2h 35m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 3962; its record covers all of them.

    86%

    chance on time

    On time (history)
    90%
    Cancelled
    1.1%
    Avg arrival delay
    5 min
    • Arrived on time 90% of the time (86 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 87% on time; 6 to 9 PM: 64%).
    • Departs inside MDW's trouble window: 50% of its 30 ground stops and delay programs started between 7 AM and 1 PM.

    Moderate track record · 86 flights

    Find Southwest 3306 fares Opens this date on Aviasales

  3. #3 · Southwest 1674

    6:00 AM → 9:40 AM2h 40m nonstop

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

    86%

    chance on time

    On time (history)
    88%
    Cancelled
    0.0%
    Avg arrival delay
    9 min
    • Arrived on time 88% of the time (33 flights, Jun 2025 to May 2026).
    • Never cancelled in 33 scheduled flights.
    • Leaves in this route's most on-time window (Before 9 AM: 87% on time; 6 to 9 PM: 64%).
    • Departs outside MDW's trouble window (7 AM to 1 PM, when 50% of its 30 ground stops and delay programs started).

    Limited track record · 33 flights

    Find Southwest 1674 fares Opens this date on Aviasales

  4. #4 · Southwest 755

    9:30 AM → 1:05 PM2h 35m nonstop

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

    83%

    chance on time

    On time (history)
    87%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 87% of the time (55 flights, Jun 2025 to May 2026).
    • Never cancelled in 55 scheduled flights.
    • Departs inside MDW's trouble window: 50% of its 30 ground stops and delay programs started between 7 AM and 1 PM.
    • Lands inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.

    Limited track record · 55 flights

    Find Southwest 755 fares Opens this date on Aviasales

  5. #5 · Frontier 1458

    6:15 AM → 10:05 AM2h 46m nonstop

    Local times, typical schedule. Last flown 2026-04-13.

    79%

    chance on time

    On time (history)
    76%
    Cancelled
    0.9%
    Avg arrival delay
    19 min
    • Arrived on time 76% of the time (109 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 87% on time; 6 to 9 PM: 64%).
    • Departs outside MDW's trouble window (7 AM to 1 PM, when 50% of its 30 ground stops and delay programs started).

    Moderate track record · 109 flights

    Find Frontier 1458 fares Opens this date on Aviasales

  6. #6 · Southwest 3488

    1:25 PM → 5:00 PM2h 35m nonstop

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

    79%

    chance on time

    On time (history)
    84%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 84% of the time (31 flights, Jun 2025 to May 2026).
    • Never cancelled in 32 scheduled flights.
    • Departs outside MDW's trouble window (7 AM to 1 PM, when 50% of its 30 ground stops and delay programs started).
    • Lands inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.

    Limited track record · 31 flights

    Find Southwest 3488 fares Opens this date on Aviasales

  7. #7 · Frontier 3854

    2:56 PM → 6:42 PM2h 48m nonstop

    Local times, typical schedule. Last flown 2026-04-26.

    79%

    chance on time

    On time (history)
    82%
    Cancelled
    2.5%
    Avg arrival delay
    23 min
    • Arrived on time 82% of the time (117 flights, Jun 2025 to May 2026).
    • Departs outside MDW's trouble window (7 AM to 1 PM, when 50% of its 30 ground stops and delay programs started).
    • Lands inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.
    • 56% of its delay minutes came from the plane arriving late from an earlier flight.

    Moderate track record · 117 flights

    Find Frontier 3854 fares Opens this date on Aviasales

  8. #8 · Southwest 1781

    10:00 AM → 1:40 PM2h 40m nonstop

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

    75%

    chance on time

    On time (history)
    62%
    Cancelled
    0.0%
    Avg arrival delay
    13 min
    • Arrived on time 62% of the time (13 flights, Jun 2025 to May 2026).
    • Departs inside MDW's trouble window: 50% of its 30 ground stops and delay programs started between 7 AM and 1 PM.
    • Lands inside MCO's trouble window: 76% of its 89 ground stops and delay programs started between 1 PM and 7 PM.
    • Short track record (13 flights), so its score leans on the airline's record at this hour.

    Limited track record · 13 flights

    Find Southwest 1781 fares Opens this date on Aviasales

  9. #9 · Frontier 1536

    9:51 PM → 1:38 AM2h 49m nonstop

    Local times, typical schedule. Last flown 2026-05-18.

    75%

    chance on time

    On time (history)
    80%
    Cancelled
    0.0%
    Avg arrival delay
    24 min
    • Arrived on time 80% of the time (25 flights, Jun 2025 to May 2026).
    • Departs outside MDW's trouble window (7 AM to 1 PM, when 50% of its 30 ground stops and delay programs started).
    • 76% of its delay minutes came from the plane arriving late from an earlier flight.
    • Short track record (25 flights), so its score leans on the airline's record at this hour.

    Limited track record · 25 flights

    Find Frontier 1536 fares Opens this date on Aviasales

  10. #10 · Southwest 3298

    3:45 PM → 7:20 PM2h 35m nonstop

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

    74%

    chance on time

    On time (history)
    74%
    Cancelled
    3.0%
    Avg arrival delay
    18 min
    • Arrived on time 74% of the time (31 flights, Jun 2025 to May 2026).
    • Cancelled 3.0% of the time (1 of 33).
    • Departs outside MDW's trouble window (7 AM to 1 PM, when 50% of its 30 ground stops and delay programs started).
    • Short track record (31 flights), so its score leans on the airline's record at this hour.

    Limited track record · 31 flights

    Find Southwest 3298 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Frontier Airlines78%

    255 flights · 79% on time as flown · 1.5% cancel

  • Southwest Airlines75%

    2,534 flights · 76% on time as flown · 1.4% cancel

On time by departure time

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

  • Before 9 AM87%

    868 flights · avg delay 7 min

  • 9 AM to noon82%

    567 flights · avg delay 11 min

  • Noon to 3 PM76%

    343 flights · avg delay 15 min

  • 3 to 6 PM65%

    561 flights · avg delay 23 min

  • 6 to 9 PM64%

    376 flights · avg delay 24 min

Best day: Tuesday (82%). Worst: Sunday (72%).

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