Historical on-time performance
Baltimore to Detroit
408 miData through May 2026Source: US DOT · BTS
Flights on BWI–DTW arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.7%of scheduled flights
based on 2,029 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Spirit AirlinesOn-time87%Medianon timep9025 minCancel3.3%Flights30
- Delta Air LinesbestOn-time86%Medianon timep9020 minCancel1.4%Flights1,205
- Southwest AirlinesOn-time74%Medianon timep9040 minCancel2.0%Flights794
Why flights run late
Delay causes
- Airline36%
- Weather3%
- Air traffic (NAS)12%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline32%
- Weather47%
- Air traffic (NAS)21%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 34 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BWI → DTW
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 90% on time.
- Mornings90% on time · p90 10 min · 1,385 flights
- Middays86% on time · p90 20 min · 2,209 flights
- Afternoons74% on time · p90 35 min · 304 flights
- Evenings72% on time · p90 70 min · 1,274 flights
- Overnights59% on time · p90 65 min · 1,059 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 85% on time.
- Tuesdays85% on time · p90 30 min · 815 flights
- Wednesdays83% on time · p90 25 min · 854 flights
- Thursdays82% on time · p90 30 min · 861 flights
- Mondays77% on time · p90 45 min · 940 flights
- Fridays77% on time · p90 45 min · 949 flights
- Saturdays76% on time · p90 45 min · 868 flights
- Sundays72% on time · p90 60 min · 944 flights
Keep exploring