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.
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
Lowest nonstop fare seen in the next two months: $305 (Southwest 4044 on 2026-10-21). 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%).
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