Route on-time record
DTW to GRB: most on-time flights and the best time to fly
Detroit (Detroit Metropolitan Wayne County Airport) to Green Bay (Austin Straubel International Airport). 800 nonstop flights in Jun 2025 to May 2026, 71% arrived within 15 minutes and 2.3% were cancelled. The most reliable flight number was SkyWest 3933 at 5:05 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
DTW → GRB
Detroit to Green Bay: 800 nonstop flights a year
On time (12 months)
71%
Cancelled
2.3%
avg delay 29 min
Best time to leave
9 AM to noon
75% on time vs 68% 6 to 9 PM
Most reliable airline
SkyWest
70% chance on time
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 3933 · sold as United Express, Delta Connection, American Eagle or Alaska
5:05 PM → 5:27 PM1h 22m nonstop
Local times, typical schedule. Last flown 2026-05-06.
74%
chance on time
- On time (history)
- 79%
- Cancelled
- 0.0%
- Avg arrival delay
- 29 min
- Arrived on time 79% of the time (24 flights, Jun 2025 to May 2026).
- Departs inside DTW's trouble window: 64% of its 28 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find 5:05 PM flight fares Opens this date on Aviasales#2 · SkyWest 3924 · sold as United Express, Delta Connection, American Eagle or Alaska
4:00 PM → 4:21 PM1h 21m nonstop
Local times, typical schedule. Last flown 2026-05-31.
73%
chance on time
- On time (history)
- 83%
- Cancelled
- 4.0%
- Avg arrival delay
- 15 min
- Arrived on time 83% of the time (24 flights, Jun 2025 to May 2026).
- Departs inside DTW's trouble window: 64% of its 28 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find 4:00 PM flight fares Opens this date on Aviasales#3 · SkyWest 4059 · sold as United Express, Delta Connection, American Eagle or Alaska
10:05 AM → 10:27 AM1h 22m nonstop
Local times, typical schedule. Last flown 2026-05-31.
73%
chance on time
- On time (history)
- 73%
- Cancelled
- 1.8%
- Avg arrival delay
- 32 min
- Arrived on time 73% of the time (162 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 75% on time; 6 to 9 PM: 68%).
- Departs outside DTW's trouble window (1 PM to 7 PM, when 64% of its 28 ground stops and delay programs started).
Moderate track record · 162 flights
Find 10:05 AM flight fares Opens this date on Aviasales#4 · SkyWest 3850 · sold as United Express, Delta Connection, American Eagle or Alaska
8:15 PM → 8:36 PM1h 21m nonstop
Local times, typical schedule. Last flown 2026-05-31.
66%
chance on time
- On time (history)
- 66%
- Cancelled
- 2.0%
- Avg arrival delay
- 34 min
- Arrived on time 66% of the time (148 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 68% on time; 9 AM to noon: 75%).
- Departs outside DTW's trouble window (1 PM to 7 PM, when 64% of its 28 ground stops and delay programs started).
Moderate track record · 148 flights
Find 8:15 PM flight fares Opens this date on Aviasales#5 · Delta 1475
4:12 PM → 4:31 PM1h 19m nonstop
Local times, typical schedule. Last flown 2026-04-12.
63%
chance on time
- On time (history)
- 59%
- Cancelled
- 6.5%
- Avg arrival delay
- 31 min
- Arrived on time 59% of the time (29 flights, Jun 2025 to May 2026).
- Cancelled 6.5% of the time (2 of 31).
- Departs inside DTW's trouble window: 64% of its 28 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (29 flights), so its score leans on the airline's record at this hour.
Limited track record · 29 flights
Find Delta 1475 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)70%
614 flights · 71% on time as flown · 2.4% cancel
- Delta Air Lines67%
186 flights · 68% on time as flown · 1.9% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon75%
244 flights · avg delay 28 min
- 3 to 6 PM69%
295 flights · avg delay 22 min
- 6 to 9 PM68%
255 flights · avg delay 37 min
Best day: Saturday (83%). Worst: Sunday (70%).
Smarter routing
Nearby airports that run more on time
DTW → ATW 74% chance on time
Detroit Metropolitan Wayne County Airport to Appleton International Airport · 1,061 flights a year · 25 mi from your airports · yours: 69%
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)68%
- Severe weather18%
- Air traffic control and airport volume10%
- Late-arriving aircraft4%
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
DTW to GRB questions
- What time of day is best to fly DTW to GRB?
- 9 AM to noon: 75% of flights arrived on time, against 68% for departures 6 to 9 PM.
- Which airline is most on time from DTW to GRB?
- SkyWest, with a season-adjusted 70% chance of operating and arriving on time over 614 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 DTW to GRB?
- January (61% 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 DTW
- GRB to DTW (return)
- DTW to ORD 72%
- DTW to ATL 78%
- DTW to LGA 75%
- DTW to MCO 75%
- DTW to EWR 75%
- DTW to CLT 84%
- DTW to DFW 76%
- DTW to DEN 79%
- DTW to DCA 68%
- DTW to PHL 79%
- DTW to LAS 77%
- DTW to FLL 72%
Live status: FAA delays and ground stops