Detroit (DTW) to Baltimore (BWI): On-Time Performance
Data through July 2026
Detroit (DTW) to Baltimore (BWI) effectively runs on two schedules. In October 2024, 91% of arrivals were on time; in July 2024 that fell to 68% — a 24-point seasonal swing. Across the full period the route averages 81% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 74%), which matters most in the rough months.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 6.2
- last 12 months
- Duration
- 1h 31m
- scheduled
- Distance
- 409 mi
Best airline from DTW to BWI
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 85% | 16 min | 0.0% | 143 |
| Delta Air Lines | 82% | 13 min | 1.3% | 2,477 |
| Southwest Airlines | 81% | 11 min | 1.0% | 1,644 |
| Frontier Airlines | 71% | 19 min | 2.5% | 358 |
Monthly on-time trend
Best time to fly from DTW to BWI
Aim for departures around 6 a.m. (93% on-time); avoid 7 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 16 min |
| Tuesdaybest | 87% | 10 min |
| Wednesday | 85% | 10 min |
| Thursday | 80% | 13 min |
| Friday | 78% | 13 min |
| Saturday | 85% | 12 min |
| Sunday | 80% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations41%
- National airspace system26%
- Weather2%
Frequently asked questions
- How often are flights from DTW to BWI delayed?
- 19% of DTW–BWI flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- Which airline is most reliable from DTW to BWI?
- Spirit Airlines has the best on-time record on this route at 85%, based on 143 flights. 4 airlines flew DTW–BWI frequently enough to compare in this period.
- What is the best time of day to fly from DTW to BWI?
- Departures around 6 a.m. have the best record (93% on-time), while departures around 7 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DTW to BWI?
- The scheduled DTW–BWI flight time averages 1h 31m over 409 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are DTW to BWI flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DTW to BWI?
- July 2024 was the roughest month in this dataset, with only 68% of arrivals on time. The best was October 2024 at 91%. If your dates are flexible, that 24-point gap is worth planning around.
Explore related pages
- Return route: BWI to DTW on-time stats
- Detroit Metropolitan Wayne County Airport departure performance
- Baltimore/Washington International Thurgood Marshall Airport airport reliability
- Delta Air Lines on-time record
- Southwest Airlines on-time record
- Frontier Airlines on-time record
- Spirit Airlines on-time record
More routes from DTW
Other ways to fly to Baltimore (BWI)
Related guides
Based on 4,648 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.