Route on-time record

BWI to DTW: most on-time flights and the best time to fly

Baltimore (Baltimore/Washington International Thurgood Marshall Airport) to Detroit (Detroit Metropolitan Wayne County Airport). 2,269 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 1.7% were cancelled. The most reliable flight number was Delta 2601 at 5:40 AM.

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

BWI → DTW

Baltimore to Detroit: 2,269 nonstop flights a year

On time (12 months)

81%

Cancelled

1.7%

avg delay 16 min

Best time to leave

Before 9 AM

92% on time vs 63% after 9 PM

Most reliable airline

Delta

86% chance on time

Check BWI to DTW 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 · Delta 2601
5:40 AM → 7:19 AM1h 37m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
On time (history)
94%
Cancelled
2.2%
Avg arrival delay
6 min
- Arrived on time 94% of the time (357 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 92% on time; After 9 PM: 63%).
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
Strong track record · 357 flights
Find Delta 2601 fares Opens this date on Aviasales
#2 · Delta 1392
12:27 PM → 2:03 PM1h 36m nonstop
Local times, typical schedule. Last flown 2026-05-06.
91%
chance on time
On time (history)
96%
Cancelled
4.2%
Avg arrival delay
4 min
- Arrived on time 96% of the time (23 flights, Jun 2025 to May 2026).
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 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.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Delta 1392 fares Opens this date on Aviasales
#3 · Delta 2341
9:25 AM → 11:01 AM1h 36m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
On time (history)
89%
Cancelled
5.0%
Avg arrival delay
11 min
- Arrived on time 89% of the time (19 flights, Jun 2025 to May 2026).
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
- Short track record (19 flights), so its score leans on the airline's record at this hour.
Limited track record · 19 flights
Find Delta 2341 fares Opens this date on Aviasales
#4 · Delta 1546
11:45 AM → 1:25 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
On time (history)
89%
Cancelled
0.3%
Avg arrival delay
13 min
- Arrived on time 89% of the time (291 flights, Jun 2025 to May 2026).
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 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.
Strong track record · 291 flights
Find Delta 1546 fares Opens this date on Aviasales
#5 · Delta 2480
5:35 PM → 7:14 PM1h 38m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
On time (history)
79%
Cancelled
1.7%
Avg arrival delay
25 min
- Arrived on time 79% of the time (353 flights, Jun 2025 to May 2026).
- Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
- 51% of its delay minutes came from the plane arriving late from an earlier flight.
Strong track record · 353 flights
Find Delta 2480 fares Opens this date on Aviasales
#6 · Southwest 369
10:25 AM → 12:00 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
78%
chance on time
On time (history)
83%
Cancelled
0.0%
Avg arrival delay
10 min
- Arrived on time 83% of the time (24 flights, Jun 2025 to May 2026).
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find Southwest 369 fares Opens this date on Aviasales
#7 · Southwest 878
10:45 AM → 12:20 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
75%
chance on time
On time (history)
76%
Cancelled
0.0%
Avg arrival delay
9 min
- Arrived on time 76% of the time (38 flights, Jun 2025 to May 2026).
- Never cancelled in 38 scheduled flights.
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
- Short track record (38 flights), so its score leans on the airline's record at this hour.
Limited track record · 38 flights
Find Southwest 878 fares Opens this date on Aviasales
#8 · Frontier 3081
10:10 AM → 11:49 AM1h 39m nonstop
Local times, typical schedule. Last flown 2026-05-31.
70%
chance on time
On time (history)
71%
Cancelled
2.5%
Avg arrival delay
24 min
- Arrived on time 71% of the time (117 flights, Jun 2025 to May 2026).
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
- 68% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 117 flights
Find Frontier 3081 fares Opens this date on Aviasales
#9 · Southwest 257
4:25 PM → 6:00 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-04-06.
67%
chance on time
On time (history)
52%
Cancelled
0.0%
Avg arrival delay
30 min
- Arrived on time 52% of the time (23 flights, Jun 2025 to May 2026).
- Departs inside BWI's trouble window: 81% of its 43 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.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 257 fares Opens this date on Aviasales
#10 · Southwest 685
9:55 PM → 11:30 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
64%
chance on time
On time (history)
62%
Cancelled
0.0%
Avg arrival delay
25 min
- Arrived on time 62% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Leaves in this route's least on-time window (After 9 PM: 63% on time; Before 9 AM: 92%).
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
Limited track record · 55 flights
Find Southwest 685 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Delta Air Lines86%
1,205 flights · 87% on time as flown · 1.4% cancel
Southwest Airlines74%
794 flights · 75% on time as flown · 2.0% cancel
Spirit Airlines73%
124 flights · 73% on time as flown · 1.3% cancel
Frontier Airlines72%
132 flights · 70% on time as flown · 2.0% cancel

On time by departure time

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

Before 9 AM92%
386 flights · avg delay 7 min
9 AM to noon87%
643 flights · avg delay 9 min
Noon to 3 PM85%
347 flights · avg delay 17 min
3 to 6 PM78%
434 flights · avg delay 23 min
6 to 9 PM64%
177 flights · avg delay 25 min
After 9 PM63%
282 flights · avg delay 25 min

Best day: Tuesday (85%). Worst: Sunday (74%).

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 aircraft49%
Airline (crew, maintenance, boarding)33%
Air traffic control and airport volume14%
Severe weather4%

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

BWI to DTW questions

What time of day is best to fly BWI to DTW?: Before 9 AM: 92% of flights arrived on time, against 63% for departures after 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 BWI to DTW?: Delta, with a season-adjusted 86% chance of operating and arriving on time over 1,205 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 BWI to DTW?: July (68% 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.

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