Route on-time record
MBS to ORD: most on-time flights and the best time to fly
Freeland (MBS International Airport) to Chicago (Chicago O'Hare International Airport). 1,066 nonstop flights in Jun 2025 to May 2026, 66% arrived within 15 minutes and 2.9% were cancelled. The most reliable flight number was SkyWest 5317 at 9:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
MBS → ORD
Freeland to Chicago: 1,066 nonstop flights a year
On time (12 months)
66%
Cancelled
2.9%
avg delay 39 min
Best time to leave
Before 9 AM
76% on time vs 54% 3 to 6 PM
Most reliable airline
SkyWest
64% chance on time
Lowest nonstop fare seen in the next two months: $453 (United 5473 on 2026-10-22). 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 5317 · sold as United Express, Delta Connection, American Eagle or Alaska
9:00 AM → 9:31 AM1h 31m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as SkyWest 5473; its record covers all of them.
71%
chance on time
- On time (history)
- 74%
- Cancelled
- 2.5%
- Avg arrival delay
- 38 min
- Arrived on time 74% of the time (351 flights, Jun 2025 to May 2026).
Strong track record · 351 flights
Find 9:00 AM flight fares Opens this date on Aviasales#2 · SkyWest 4728 · sold as United Express, Delta Connection, American Eagle or Alaska
6:00 AM → 6:31 AM1h 31m nonstop
Local times, typical schedule. Last flown 2026-05-31.
71%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 27 min
- Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 76% on time; 3 to 6 PM: 54%).
- 99% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 6:00 AM flight fares Opens this date on Aviasales#3 · SkyWest 5915 · sold as United Express, Delta Connection, American Eagle or Alaska
2:08 PM → 2:40 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
63%
chance on time
- On time (history)
- 60%
- Cancelled
- 0.9%
- Avg arrival delay
- 39 min
- Arrived on time 60% of the time (108 flights, Jun 2025 to May 2026).
- Lands inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
Moderate track record · 108 flights
Find 2:08 PM flight fares Opens this date on Aviasales#4 · SkyWest 5319 · sold as United Express, Delta Connection, American Eagle or Alaska
6:30 PM → 7:00 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-20.
53%
chance on time
- On time (history)
- 45%
- Cancelled
- 0.0%
- Avg arrival delay
- 62 min
- Arrived on time 45% of the time (20 flights, Jun 2025 to May 2026).
- Lands inside ORD's trouble window: 44% of its 243 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find 6:30 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)64%
1,066 flights · 66% on time as flown · 2.9% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM76%
301 flights · avg delay 37 min
- 9 AM to noon69%
75 flights · avg delay 38 min
- Noon to 3 PM69%
361 flights · avg delay 30 min
- 3 to 6 PM54%
230 flights · avg delay 51 min
- 6 to 9 PM54%
98 flights · avg delay 42 min
Best day: Tuesday (78%). Worst: Sunday (68%).
Smarter routing
Nearby airports that run more on time
LAN → ORD 79% chance on time
Capital Region International Airport to Chicago O'Hare International Airport · 807 flights a year · 58 mi from your airports · yours: 64%
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
- Airline (crew, maintenance, boarding)39%
- Late-arriving aircraft32%
- Air traffic control and airport volume20%
- Severe weather9%
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
MBS to ORD questions
- What time of day is best to fly MBS to ORD?
- Before 9 AM: 76% of flights arrived on time, against 54% for departures 3 to 6 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 MBS to ORD?
- SkyWest, with a season-adjusted 64% chance of operating and arriving on time over 1,066 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 MBS to ORD?
- January (54% on time); the best was August (79%), 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 MBS
Live status: FAA delays and ground stops