Route on-time record

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

Chicago (Chicago O'Hare International Airport) to South Bend (South Bend International Airport). 2,674 nonstop flights in Jun 2025 to May 2026, 62% arrived within 15 minutes and 3.9% were cancelled. The most reliable flight number was SkyWest 4791 at 10:30 AM.

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

ORD → SBN

Chicago to South Bend: 2,674 nonstop flights a year

On time (12 months)

62%

Cancelled

3.9%

avg delay 34 min

Best time to leave

Before 9 AM

71% on time vs 56% 6 to 9 PM

Most reliable airline

SkyWest

60% chance on time

Check ORD 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 · SkyWest 4791 · sold as United Express, Delta Connection, American Eagle or Alaska
10:30 AM → 12:31 PM1h 01m nonstop
Local times, typical schedule. Last flown 2026-05-31.
67%
chance on time
On time (history)
69%
Cancelled
2.8%
Avg arrival delay
29 min
- Arrived on time 69% of the time (351 flights, Jun 2025 to May 2026).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Strong track record · 351 flights
Find 10:30 AM flight fares Opens this date on Aviasales
#2 · SkyWest 5274 · sold as United Express, Delta Connection, American Eagle or Alaska
9:25 PM → 11:23 PM1h 03m nonstop
Local times, typical schedule. Last flown 2026-05-31.
65%
chance on time
On time (history)
69%
Cancelled
4.2%
Avg arrival delay
33 min
- Arrived on time 69% of the time (318 flights, Jun 2025 to May 2026).
- Cancelled 4.2% of the time (14 of 332).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Strong track record · 318 flights
Find 9:25 PM flight fares Opens this date on Aviasales
#3 · SkyWest 5725 · sold as United Express, Delta Connection, American Eagle or Alaska
12:52 PM → 2:51 PM59m nonstop
Local times, typical schedule. Last flown 2026-05-31.
64%
chance on time
On time (history)
64%
Cancelled
3.6%
Avg arrival delay
29 min
- Arrived on time 64% of the time (159 flights, Jun 2025 to May 2026).
- Cancelled 3.6% of the time (6 of 165).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Moderate track record · 159 flights
Find 12:52 PM flight fares Opens this date on Aviasales
#4 · SkyWest 5887 · sold as United Express, Delta Connection, American Eagle or Alaska
9:00 AM → 11:04 AM1h 04m nonstop
Local times, typical schedule. Last flown 2026-05-31.
63%
chance on time
On time (history)
63%
Cancelled
2.4%
Avg arrival delay
28 min
- Arrived on time 63% of the time (160 flights, Jun 2025 to May 2026).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Moderate track record · 160 flights
Find 9:00 AM flight fares Opens this date on Aviasales
#5 · SkyWest 5505 · sold as United Express, Delta Connection, American Eagle or Alaska
4:15 PM → 6:17 PM1h 02m nonstop
Local times, typical schedule. Last flown 2026-05-31.
59%
chance on time
On time (history)
61%
Cancelled
4.1%
Avg arrival delay
31 min
- Arrived on time 61% of the time (301 flights, Jun 2025 to May 2026).
- Cancelled 4.1% of the time (13 of 315).
- Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
Strong track record · 301 flights
Find 4:15 PM flight fares Opens this date on Aviasales
#6 · SkyWest 5496 · sold as United Express, Delta Connection, American Eagle or Alaska
2:02 PM → 4:07 PM1h 06m nonstop
Local times, typical schedule. Last flown 2026-05-31.
58%
chance on time
On time (history)
58%
Cancelled
2.8%
Avg arrival delay
33 min
- Arrived on time 58% of the time (106 flights, Jun 2025 to May 2026).
- Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
Moderate track record · 106 flights
Find 2:02 PM flight fares Opens this date on Aviasales
#7 · SkyWest 6034 · sold as United Express, Delta Connection, American Eagle or Alaska
3:40 PM → 5:42 PM1h 02m nonstop
Local times, typical schedule. Last flown 2026-05-20.
58%
chance on time
On time (history)
53%
Cancelled
0.0%
Avg arrival delay
35 min
- Arrived on time 53% of the time (15 flights, Jun 2025 to May 2026).
- Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find 3:40 PM flight fares Opens this date on Aviasales
#8 · SkyWest 5885 · sold as United Express, Delta Connection, American Eagle or Alaska
4:45 PM → 6:50 PM1h 05m nonstop
Local times, typical schedule. Last flown 2026-05-18.
54%
chance on time
On time (history)
50%
Cancelled
9.1%
Avg arrival delay
21 min
- Arrived on time 50% of the time (10 flights, Jun 2025 to May 2026).
- Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
- 58% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find 4:45 PM flight fares Opens this date on Aviasales
#9 · SkyWest 5532 · sold as United Express, Delta Connection, American Eagle or Alaska
9:40 PM → 11:41 PM1h 01m nonstop
Local times, typical schedule. Last flown 2026-04-29.
53%
chance on time
On time (history)
35%
Cancelled
20.7%
Avg arrival delay
37 min
- Arrived on time 35% of the time (23 flights, Jun 2025 to May 2026).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 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 9:40 PM flight fares Opens this date on Aviasales
#10 · SkyWest 5499 · sold as United Express, Delta Connection, American Eagle or Alaska
7:40 PM → 9:50 PM1h 05m nonstop
Local times, typical schedule. Last flown 2026-05-31.
51%
chance on time
On time (history)
53%
Cancelled
3.1%
Avg arrival delay
51 min
- Arrived on time 53% of the time (340 flights, Jun 2025 to May 2026).
- Cancelled 3.1% of the time (11 of 354).
- Leaves in this route's least on-time window (6 to 9 PM: 56% on time; Before 9 AM: 71%).
- Departs inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
Strong track record · 340 flights
Find 7:40 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)60%
2,662 flights · 62% on time as flown · 3.9% cancel

On time by departure time

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

Before 9 AM71%
130 flights · avg delay 21 min
9 AM to noon68%
479 flights · avg delay 28 min
Noon to 3 PM64%
613 flights · avg delay 30 min
3 to 6 PM56%
683 flights · avg delay 39 min
6 to 9 PM56%
408 flights · avg delay 46 min
After 9 PM67%
361 flights · avg delay 33 min

Best day: Tuesday (72%). Worst: Sunday (62%).

Smarter routing

Nearby airports that run more on time

ORD → AZO 72% chance on time
Chicago O'Hare International Airport to Kalamazoo/Battle Creek International Airport · 1,001 flights a year · 54 mi from your airports · yours: 60%
Rank flights Fares

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.

What delays this route

Late-arriving aircraft38%
Airline (crew, maintenance, boarding)36%
Air traffic control and airport volume19%
Severe weather7%

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

ORD to SBN questions

What time of day is best to fly ORD to SBN?: Before 9 AM: 71% of flights arrived on time, against 56% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from ORD to SBN?: SkyWest, with a season-adjusted 60% chance of operating and arriving on time over 2,662 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 ORD to SBN?: July (63% on time); the best was October (80%), 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.

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