Skip to content
WanderNerd
Check a flight

Route Reliability

Detroit → Portland

DTW–PDX · 1,953 miles · Detroit Metropolitan Wayne County Airport to Portland International Airport

66
Usually Fine
WanderNerd Reliability Score
67%
Arrive within 15 minutes
16 min
Average arrival delay
1.0%
Cancelled
396
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 67% of the time across 396 flights. No comparison to make.

What the data says

Morning flights do better here.

DTW–PDX flights departing between 6–9 AM arrived on time 82% of the time, versus 59% between 6–9 PM.

Tuesday is the weak spot.

DTW–PDX flights arrived on time 76% of the time on Fridays. On Tuesdays: 64%.

Ticking up lately.

DTW–PDX flights arrived on time 58% of the time over the last three months in the data, compared with 54% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon64%(61 flights)
  • Tue64%(52 flights)
  • Wed67%(51 flights)
  • Thu67%(61 flights)
  • Fri76%(59 flights)
  • Sat67%(42 flights)
  • Sun66%(64 flights)
On-time by departure window
  • 6–9 AM82%(96 flights)
  • 9 AM–12 PM75%(56 flights)
  • 6–9 PM59%(238 flights)
On-time trend by month
60%
May

Jun 65% → May 60% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%49
July 202563%57
August 202580%50
September 202593%42
October 202587%47
November 202559%29
December 202517%30
March 202636%22
April 202677%30
May 202660%30

Keep nerding

Based on 396 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.