Route on-time record
RDU to DTW: most on-time flights and the best time to fly
Raleigh/Durham (Raleigh-Durham International Airport) to Detroit (Detroit Metropolitan Wayne County Airport). 1,567 nonstop flights in Jun 2025 to May 2026, 87% arrived within 15 minutes and 1.1% were cancelled. The most reliable flight number was Delta 1427 at 9:51 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
RDU → DTW
Raleigh/Durham to Detroit: 1,567 nonstop flights a year
On time (12 months)
87%
Cancelled
1.1%
avg delay 11 min
Best time to leave
9 AM to noon
94% on time vs 74% 6 to 9 PM
Most reliable airline
Delta
86% chance on time
Lowest nonstop fare seen in the next two months: $136 (Frontier 4937 on 2026-10-26). 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 · Delta 1427
9:51 AM → 11:39 AM1h 43m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
- On time (history)
- 95%
- Cancelled
- 1.6%
- Avg arrival delay
- 3 min
- Arrived on time 95% of the time (241 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 94% on time; 6 to 9 PM: 74%).
- Departs outside RDU's trouble window (11 AM to 5 PM, when 57% of its 14 ground stops and delay programs started).
Strong track record · 241 flights
Find Delta 1427 fares Opens this date on Aviasales#2 · Delta 1388
5:38 AM → 7:28 AM1h 48m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 93%
- Cancelled
- 1.6%
- Avg arrival delay
- 7 min
- Arrived on time 93% of the time (359 flights, Jun 2025 to May 2026).
- Departs outside RDU's trouble window (11 AM to 5 PM, when 57% of its 14 ground stops and delay programs started).
Strong track record · 359 flights
Find Delta 1388 fares Opens this date on Aviasales#3 · Delta 2174
1:17 PM → 3:06 PM1h 49m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
- On time (history)
- 92%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 min
- Arrived on time 92% of the time (25 flights, Jun 2025 to May 2026).
- Departs inside RDU's trouble window: 57% of its 14 ground stops and delay programs started between 11 AM and 5 PM.
- Lands inside DTW's trouble window: 64% of its 28 ground stops and delay programs started between 1 PM and 7 PM.
- 76% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 25 flights
Find Delta 2174 fares Opens this date on Aviasales#4 · Delta 1407
6:47 PM → 8:39 PM1h 52m nonstop
Local times, typical schedule. Last flown 2026-05-31.
77%
chance on time
- On time (history)
- 77%
- Cancelled
- 2.2%
- Avg arrival delay
- 18 min
- Arrived on time 77% of the time (175 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 74% on time; 9 AM to noon: 94%).
- Departs outside RDU's trouble window (11 AM to 5 PM, when 57% of its 14 ground stops and delay programs started).
- 53% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 175 flights
Find Delta 1407 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines86%
1,341 flights · 87% on time as flown · 1.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
374 flights · avg delay 7 min
- 9 AM to noon94%
368 flights · avg delay 4 min
- Noon to 3 PM84%
362 flights · avg delay 14 min
- 3 to 6 PM83%
211 flights · avg delay 13 min
- 6 to 9 PM74%
250 flights · avg delay 20 min
Best day: Tuesday (91%). Worst: Sunday (83%).
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 aircraft53%
- Airline (crew, maintenance, boarding)28%
- Air traffic control and airport volume17%
- Severe weather1%
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
RDU to DTW questions
- What time of day is best to fly RDU to DTW?
- 9 AM to noon: 94% of flights arrived on time, against 74% for departures 6 to 9 PM.
- Which airline is most on time from RDU to DTW?
- Delta, with a season-adjusted 86% chance of operating and arriving on time over 1,341 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 RDU to DTW?
- July (79% on time); the best was October (92%), 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 RDU
- DTW to RDU (return)
- RDU to ATL 87%
- RDU to ORD 74%
- RDU to CLT 82%
- RDU to BOS 78%
- RDU to LGA 69%
- RDU to MCO 78%
- RDU to PHL 73%
- RDU to JFK 75%
- RDU to MIA 76%
- RDU to DFW 77%
- RDU to BNA 80%
- RDU to EWR 74%
Most on-time flights from RDU on every route →
Live status: FAA delays and ground stops