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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.

MDW → OMA

Chicago to Omaha: 1,383 nonstop flights a year

On time (12 months)

77%

Cancelled

1.1%

avg delay 14 min

Best time to leave

Before 9 AM

88% on time vs 59% after 9 PM

Most reliable airline

Southwest

76% chance on time

Check MDW to OMA fares

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 3663

    10:15 AM → 11:45 AM1h 30m nonstop

    Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 1310; its record covers all of them.

    81%

    chance on time

    On time (history)
    82%
    Cancelled
    2.5%
    Avg arrival delay
    10 min
    • Arrived on time 82% of the time (77 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.

    Moderate track record · 77 flights

    Find Southwest 3663 fares Opens this date on Aviasales

  2. #2 · Southwest 3329

    11:50 AM → 1:20 PM1h 30m nonstop

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

    80%

    chance on time

    On time (history)
    77%
    Cancelled
    0.0%
    Avg arrival delay
    8 min
    • Arrived on time 77% of the time (31 flights, Jun 2025 to May 2026).
    • Never cancelled in 31 scheduled flights.
    • Departs inside MDW's trouble window: 50% of its 30 ground stops and delay programs started between 7 AM and 1 PM.
    • Short track record (31 flights), so its score leans on the airline's record at this hour.

    Limited track record · 31 flights

    Find Southwest 3329 fares Opens this date on Aviasales

  3. #3 · Southwest 2127

    6:35 PM → 8:05 PM1h 30m nonstop

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

    77%

    chance on time

    On time (history)
    80%
    Cancelled
    0.0%
    Avg arrival delay
    19 min
    • Arrived on time 80% of the time (15 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).
    • 65% of its delay minutes came from the plane arriving late from an earlier flight.
    • Short track record (15 flights), so its score leans on the airline's record at this hour.

    Limited track record · 15 flights

    Find Southwest 2127 fares Opens this date on Aviasales

  4. #4 · Southwest 743

    12:15 PM → 1:45 PM1h 30m nonstop

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

    76%

    chance on time

    On time (history)
    71%
    Cancelled
    6.7%
    Avg arrival delay
    18 min
    • Arrived on time 71% of the time (14 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.
    • 50% of its delay minutes came from the plane arriving late from an earlier flight.
    • Short track record (14 flights), so its score leans on the airline's record at this hour.

    Limited track record · 14 flights

    Find Southwest 743 fares Opens this date on Aviasales

  5. #5 · Southwest 1775

    1:30 PM → 3:00 PM1h 30m nonstop

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

    75%

    chance on time

    On time (history)
    46%
    Cancelled
    0.0%
    Avg arrival delay
    27 min
    • Arrived on time 46% of the time (13 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).
    • 74% of its delay minutes came from the plane arriving late from an earlier flight.
    • Short track record (13 flights), so its score leans on the airline's record at this hour.

    Limited track record · 13 flights

    Find Southwest 1775 fares Opens this date on Aviasales

  6. #6 · Southwest 1160

    3:35 PM → 5:05 PM1h 30m nonstop

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

    75%

    chance on time

    On time (history)
    73%
    Cancelled
    0.0%
    Avg arrival delay
    17 min
    • Arrived on time 73% of the time (55 flights, Jun 2025 to May 2026).
    • Never cancelled in 55 scheduled flights.
    • 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 (55 flights), so its score leans on the airline's record at this hour.

    Limited track record · 55 flights

    Find Southwest 1160 fares Opens this date on Aviasales

  7. #7 · Southwest 4024

    9:30 PM → 11:00 PM1h 30m nonstop

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

    61%

    chance on time

    On time (history)
    48%
    Cancelled
    6.1%
    Avg arrival delay
    42 min
    • Arrived on time 48% of the time (31 flights, Jun 2025 to May 2026).
    • Cancelled 6.1% of the time (2 of 33).
    • Leaves in this route's least on-time window (After 9 PM: 59% on time; Before 9 AM: 88%).
    • 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 · 31 flights

    Find Southwest 4024 fares Opens this date on Aviasales

  8. #8 · Southwest 222

    9:45 PM → 11:15 PM1h 30m nonstop

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

    59%

    chance on time

    On time (history)
    49%
    Cancelled
    0.0%
    Avg arrival delay
    29 min
    • Arrived on time 49% of the time (47 flights, Jun 2025 to May 2026).
    • Never cancelled in 47 scheduled flights.
    • Leaves in this route's least on-time window (After 9 PM: 59% on time; Before 9 AM: 88%).
    • 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 · 47 flights

    Find Southwest 222 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • Southwest Airlines76%

    1,383 flights · 77% on time as flown · 1.1% cancel

On time by departure time

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

  • Before 9 AM88%

    285 flights · avg delay 7 min

  • 9 AM to noon82%

    221 flights · avg delay 10 min

  • Noon to 3 PM82%

    247 flights · avg delay 11 min

  • 3 to 6 PM77%

    147 flights · avg delay 14 min

  • 6 to 9 PM71%

    270 flights · avg delay 16 min

  • After 9 PM59%

    213 flights · avg delay 25 min

Best day: Wednesday (83%). Worst: Sunday (74%).

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