Delta Air Lines PWM to DTW on-time performance
Delta Air Lines nonstop flights from Portland to Detroit · Aug 2025 – Jul 2026
On-time arrivals
82%
arrived < 15 min late
Cancelled
1.2%
5 flights
Avg arrival delay
19 min
103 min when late
Rank on route
#2 of 3
route average 80% on time
Key facts
- Delta Air Lines flights on PWM to DTW arrived on time 82% of the time in Aug 2025 – Jul 2026.
- 1.2% were cancelled, and 8% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (48%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)48%
- Late-arriving aircraft44%
- Air traffic control & airport congestion7%
- Extreme weather2%
- Security0%
Other airlines on PWM to DTW
- SkyWest Airlines71% on time · 28 min avg delay
- Republic Airways83% on time · 14 min avg delay
Full PWM to DTW comparison →
Delta Air Lines on-time record across all routes →
404 Delta Air Lines flights tracked on this route; 5 cancelled, 1 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.