Flight Reliability
DL 2391 · Delta Air Lines
Minneapolis → Portland (MSP–PDX)99% of its flights flew this route. The rest (RDU–ATL) are included in these numbers.
86
Pretty Reliable
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 0%
- Cancelled
- 7 min early
- Median arrival delay
Based on 86 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 2391 arrived on time 93% of the time on Fridays and just 63% on Sundays. That gap is worth planning around.
A bit behind the MSP–PDX route.
DL 2391 arrived on time 78% of the time, versus 84% across the MSP–PDX route.
A bit behind the Delta Air Lines network.
DL 2391 arrived on time 78% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon—(9 flights)
- Tue70%(10 flights)
- Wed73%(15 flights)
- Thu88%(16 flights)
- Fri93%(15 flights)
- Sat—(5 flights)
- Sun63%(16 flights)
- 6–9 AM—(1 flights)
- 9 PM–12 AM78%(85 flights)
91%
Sep
Jun 85% → Sep 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 85% | 26 |
| July 2025 | 54% | 26 |
| August 2025 | 89% | 18 |
| September 2025 | 91% | 11 |
- Departures on time
- 73%
- Diverted
- 0%
- Flights flown
- 86
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 86 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.