Historical on-time performance
Detroit to San Francisco
Flights on DTW–SFO arrive on time 71% of the time over the last 12 months.
based on 1,775 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- United AirlinesOn-time75%Medianon timep9045 minCancel1.0%Flights387
- Delta Air LinesOn-time70%Medianon timep9050 minCancel0.9%Flights1,388
Why flights run late
Delay causes
- Airline41%
- Weather6%
- Air traffic (NAS)33%
- Late aircraft19%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline94%
- Weather0%
- Air traffic (NAS)6%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 16 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 DTW → SFO
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 66% to 80% on time.
- Mornings80% on time · p90 30 min · 1,654 flights
- Middays77% on time · p90 40 min · 971 flights
- Afternoons73% on time · p90 45 min · 868 flights
- Evenings71% on time · p90 60 min · 688 flights
- Overnights66% on time · p90 60 min · 773 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 80% on time.
- Tuesdays80% on time · p90 25 min · 665 flights
- Wednesdays79% on time · p90 35 min · 677 flights
- Saturdays76% on time · p90 40 min · 642 flights
- Thursdays75% on time · p90 50 min · 748 flights
- Mondays72% on time · p90 50 min · 738 flights
- Sundays72% on time · p90 50 min · 742 flights
- Fridays71% on time · p90 55 min · 742 flights
Keep exploring