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Route on-time record

ATL to SBN: most on-time flights and the best time to fly

Atlanta (Hartsfield Jackson Atlanta International Airport) to South Bend (South Bend International Airport). 1,028 nonstop flights in Jun 2025 to May 2026, 73% arrived within 15 minutes and 1.8% were cancelled. The most reliable flight number was SkyWest 4097 at 9:40 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

ATL → SBN

Atlanta to South Bend: 1,028 nonstop flights a year

On time (12 months)

73%

Cancelled

1.8%

avg delay 27 min

Best time to leave

9 AM to noon

82% on time vs 65% 6 to 9 PM

Most reliable airline

SkyWest

72% chance on time

Check ATL to SBN 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 · SkyWest 4097 · sold as United Express, Delta Connection, American Eagle or Alaska

    9:40 AM → 11:36 AM1h 56m nonstop

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

    77%

    chance on time

    On time (history)
    77%
    Cancelled
    2.0%
    Avg arrival delay
    27 min
    • Arrived on time 77% of the time (150 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (9 AM to noon: 82% on time; 6 to 9 PM: 65%).
    • Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).

    Moderate track record · 150 flights

    Find 9:40 AM flight fares Opens this date on Aviasales

  2. #2 · SkyWest 4033 · sold as United Express, Delta Connection, American Eagle or Alaska

    2:20 PM → 4:10 PM1h 52m nonstop

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

    72%

    chance on time

    On time (history)
    73%
    Cancelled
    1.3%
    Avg arrival delay
    22 min
    • Arrived on time 73% of the time (307 flights, Jun 2025 to May 2026).
    • Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.

    Strong track record · 307 flights

    Find 2:20 PM flight fares Opens this date on Aviasales

  3. #3 · SkyWest 4109 · sold as United Express, Delta Connection, American Eagle or Alaska

    7:43 PM → 9:38 PM1h 55m nonstop

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

    62%

    chance on time

    On time (history)
    59%
    Cancelled
    2.4%
    Avg arrival delay
    50 min
    • Arrived on time 59% of the time (164 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (6 to 9 PM: 65% on time; 9 AM to noon: 82%).
    • Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).

    Moderate track record · 164 flights

    Find 7:43 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)72%

    1,027 flights · 73% on time as flown · 1.8% cancel

On time by departure time

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

  • 9 AM to noon82%

    365 flights · avg delay 22 min

  • Noon to 3 PM72%

    279 flights · avg delay 23 min

  • 6 to 9 PM65%

    364 flights · avg delay 38 min

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

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
62
F
75
M
72
A
80
M
69
J
77
J
69
A
76
S
85
O
89
N
86
D
75

What delays this route

  • Airline (crew, maintenance, boarding)72%
  • Severe weather19%
  • Air traffic control and airport volume9%

Share of delay minutes by the cause airlines report to the US DOT.

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

Finding the most reliable connections from ATL to SBN…

ATL to SBN questions

What time of day is best to fly ATL to SBN?
9 AM to noon: 82% of flights arrived on time, against 65% for departures 6 to 9 PM.
Which airline is most on time from ATL to SBN?
SkyWest, with a season-adjusted 72% chance of operating and arriving on time over 1,027 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on ATL to SBN?
January (62% on time); the best was October (89%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from ATL

Live status: FAA delays and ground stops