Historical on-time performance
Detroit to Phoenix
1,671 miData through May 2026Source: US DOT · BTS
Flights on DTW–PHX arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 2,117 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 timep9030 minCancel0.0%Flights30
- American AirlinesbestOn-time79%Medianon timep9040 minCancel1.0%Flights628
- Frontier AirlinesOn-time76%Medianon timep9060 minCancel1.6%Flights123
- Delta Air LinesOn-time74%Medianon timep9050 minCancel0.4%Flights1,336
Why flights run late
Delay causes
- Airline49%
- Weather2%
- Air traffic (NAS)17%
- Late aircraft32%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline79%
- Weather21%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 14 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 → PHX
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 72% to 82% on time.
- Mornings82% on time · p90 30 min · 2,363 flights
- Middays82% on time · p90 30 min · 1,225 flights
- Evenings79% on time · p90 45 min · 1,078 flights
- Afternoons73% on time · p90 55 min · 1,248 flights
- Overnights72% on time · p90 50 min · 1,072 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 76% to 82% on time.
- Tuesdays82% on time · p90 30 min · 896 flights
- Saturdays80% on time · p90 40 min · 1,044 flights
- Wednesdays79% on time · p90 35 min · 924 flights
- Thursdays78% on time · p90 40 min · 1,039 flights
- Mondays77% on time · p90 45 min · 1,013 flights
- Fridays77% on time · p90 45 min · 1,012 flights
- Sundays76% on time · p90 45 min · 1,058 flights
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