Flight Reliability
DL 2359 · Delta Air Lines
Portland → Minneapolis (PDX–MSP)99% of its flights flew this route. The rest (DTW–CLE) are included in these numbers.
- 90%
- Arrive within 15 minutes
- 10 min early
- Average arrival delay
- 0%
- Cancelled
- 19 min early
- Median arrival delay
Based on 191 historical flights. Data through May 2026.
What the data says
Mornings have a slight edge.
Departures between 12–3 AM arrived on time 91% of the time, against 85% between 3–6 PM.
Mondays have been rough.
DL 2359 arrived on time 97% of the time on Fridays and just 79% on Mondays. That gap is worth planning around.
Better than the Delta Air Lines network average.
DL 2359 arrived on time 90% of the time, versus 81% across the Delta Air Lines network.
It basically never cancels.
Out of 191 scheduled flights, only 0.0% were cancelled.
The breakdown
- Mon79%(29 flights)
- Tue87%(23 flights)
- Wed88%(24 flights)
- Thu90%(31 flights)
- Fri97%(31 flights)
- Sat96%(27 flights)
- Sun92%(26 flights)
- 12–3 AM91%(170 flights)
- 3–6 PM85%(20 flights)
- 9 PM–12 AM—(1 flights)
Jun 90% → May 85% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 29 |
| July 2025 | 68% | 31 |
| August 2025 | 95% | 21 |
| September 2025 | 100% | 12 |
| October 2025 | 97% | 29 |
| November 2025 | 100% | 28 |
| December 2025 | 95% | 20 |
| May 2026 | 85% | 20 |
- Departures on time
- 89%
- Diverted
- 0%
- Flights flown
- 191
- Months covered
- 9
Same route, other flights
Keep nerding
Based on 191 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.