Historical on-time performance
San Diego to Detroit
Flights on SAN–DTW arrive on time 85% of the time over the last 12 months.
based on 1,267 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesOn-time85%Medianon timep9020 minCancel1.0%Flights1,267
Why flights run late
Delay causes
- Airline35%
- Weather0%
- Air traffic (NAS)29%
- Late aircraft36%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline77%
- Weather23%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 13 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 SAN → DTW
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 79% to 88% on time.
- Overnights88% on time · p90 15 min · 934 flights
- Mornings87% on time · p90 15 min · 1,096 flights
- Afternoons84% on time · p90 25 min · 537 flights
- Middays79% on time · p90 30 min · 1,161 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 81% to 87% on time.
- Tuesdays87% on time · p90 15 min · 477 flights
- Wednesdays85% on time · p90 20 min · 501 flights
- Mondays85% on time · p90 20 min · 573 flights
- Fridays85% on time · p90 20 min · 572 flights
- Saturdays84% on time · p90 20 min · 470 flights
- Thursdays84% on time · p90 20 min · 567 flights
- Sundays81% on time · p90 30 min · 568 flights
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