ATIS Alerts Smart Flight Search
Find the flight least likely to be delayed
BetaWe 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.
ORD → DTW
Chicago to Detroit: 5,961 nonstop flights a year
On time (12 months)
71%
Cancelled
2.7%
avg delay 25 min
Best time to leave
Before 9 AM
85% on time vs 58% 6 to 9 PM
Most reliable airline
Delta
75% chance on time
Lowest nonstop fare seen in the next two months: $112 (American 4103 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 · Envoy 3948 · sold as American Eagle
6:45 AM → 9:13 AM1h 28m nonstop
Local times, typical schedule. Last flown 2026-05-20.
87%
chance on time
- On time (history)
- 95%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 95% of the time (43 flights, Jun 2025 to May 2026).
- Never cancelled in 43 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 58%).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Limited track record · 43 flights
Find 6:45 AM flight fares Opens this date on Aviasales#2 · Envoy 3670 · sold as American Eagle
7:30 AM → 9:56 AM1h 26m nonstop
Local times, typical schedule. Last flown 2026-04-06.
86%
chance on time
- On time (history)
- 87%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 87% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 58%).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Limited track record · 54 flights
Find 7:30 AM flight fares Opens this date on Aviasales#3 · Envoy 4103 · sold as American Eagle
7:12 AM → 9:47 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 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: 85% on time; 6 to 9 PM: 58%).
- 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 (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 7:12 AM flight fares Opens this date on Aviasales#4 · Delta 2039
7:00 AM → 9:30 AM1h 29m nonstop
Local times, typical schedule. Last flown 2026-05-31.
84%
chance on time
- On time (history)
- 87%
- Cancelled
- 3.2%
- Avg arrival delay
- 16 min
- Arrived on time 87% of the time (338 flights, Jun 2025 to May 2026).
- Cancelled 3.2% of the time (11 of 349).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 58%).
- 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 · 338 flights
Find Delta 2039 fares Opens this date on Aviasales#5 · United 1150
7:20 AM → 9:52 AM1h 32m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as United 348; its record covers all of them.
83%
chance on time
- On time (history)
- 87%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 87% of the time (30 flights, Jun 2025 to May 2026).
- Never cancelled in 30 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 58%).
- Departs outside ORD's trouble window (2 PM to 8 PM, when 44% of its 243 ground stops and delay programs started).
Limited track record · 30 flights
Find United 1150 fares Opens this date on Aviasales#6 · SkyWest 5597 · sold as United Express, Delta Connection, American Eagle or Alaska
7:30 AM → 10:06 AM1h 36m nonstop
Local times, typical schedule. Last flown 2026-05-20.
81%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 90% of the time (21 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 58%).
- 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 (21 flights), so its score leans on the airline's record at this hour.
Limited track record · 21 flights
Find 7:30 AM flight fares Opens this date on Aviasales#7 · Republic 3569 · sold as American Eagle, Delta Connection or United Express
3:47 PM → 6:18 PM1h 31m nonstop
Local times, typical schedule. Last flown 2026-04-29.
80%
chance on time
- On time (history)
- 86%
- Cancelled
- 0.9%
- Avg arrival delay
- 9 min
- Arrived on time 86% of the time (115 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.
- Lands inside DTW's trouble window: 64% of its 28 ground stops and delay programs started between 1 PM and 7 PM.
Moderate track record · 115 flights
Find 3:47 PM flight fares Opens this date on Aviasales#8 · SkyWest 5717 · sold as United Express, Delta Connection, American Eagle or Alaska
7:16 AM → 9:47 AM1h 31m nonstop
Local times, typical schedule. Last flown 2026-04-25.
80%
chance on time
- On time (history)
- 83%
- Cancelled
- 5.8%
- Avg arrival delay
- 11 min
- Arrived on time 83% of the time (162 flights, Jun 2025 to May 2026).
- Cancelled 5.8% of the time (10 of 172).
- Leaves in this route's most on-time window (Before 9 AM: 85% on time; 6 to 9 PM: 58%).
- 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 · 162 flights
Find 7:16 AM flight fares Opens this date on Aviasales#9 · Envoy 3498 · sold as American Eagle
10:00 AM → 12:33 PM1h 33m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
- On time (history)
- 82%
- Cancelled
- 0.0%
- Avg arrival delay
- 19 min
- Arrived on time 82% of the time (11 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).
- 59% 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 10:00 AM flight fares Opens this date on Aviasales#10 · SkyWest 5756 · sold as United Express, Delta Connection, American Eagle or Alaska
10:50 AM → 1:20 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
75%
chance on time
- On time (history)
- 77%
- Cancelled
- 1.4%
- Avg arrival delay
- 15 min
- Arrived on time 77% of the time (140 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).
- Lands inside DTW's trouble window: 64% of its 28 ground stops and delay programs started between 1 PM and 7 PM.
Moderate track record · 140 flights
Find 10:50 AM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines75%
1,313 flights · 78% on time as flown · 2.1% cancel
- Republic Airways (sold as American Eagle, Delta Connection or United Express)73%
645 flights · 76% on time as flown · 3.3% cancel
- Envoy Air (sold as American Eagle)72%
787 flights · 75% on time as flown · 2.8% cancel
- United Airlines69%
767 flights · 71% on time as flown · 1.6% cancel
- American Airlines65%
47 flights · 71% on time as flown · 5.1% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)63%
2,382 flights · 64% on time as flown · 3.1% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM85%
979 flights · avg delay 13 min
- 9 AM to noon77%
1,217 flights · avg delay 16 min
- Noon to 3 PM71%
1,172 flights · avg delay 24 min
- 3 to 6 PM63%
954 flights · avg delay 33 min
- 6 to 9 PM58%
1,091 flights · avg delay 42 min
- After 9 PM66%
548 flights · avg delay 24 min
Best day: Saturday (80%). Worst: Friday (73%).
Smarter routing
Nearby airports that run more on time
MDW → DTW 76% chance on time
Chicago Midway International Airport to Detroit Metropolitan Wayne County Airport · 1,387 flights a year · 15 mi from your airports · yours: 69%
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