Flight Reliability
DL 2558 · Delta Air Lines
Minneapolis → Boston (MSP–BOS)
76
Usually Fine
WanderNerd Reliability Score
- 71%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 0.3%
- Cancelled
- 6 min early
- Median arrival delay
Based on 290 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
DL 2558 arrived on time 91% of the time on Saturdays and just 58% on Thursdays. That gap is worth planning around.
Lagging the MSP–BOS route.
DL 2558 arrived on time 71% of the time, versus 79% across the MSP–BOS route.
Lagging the Delta Air Lines network.
DL 2558 arrived on time 71% of the time, versus 81% across the Delta Air Lines network.
It basically never cancels.
Out of 290 scheduled flights, only 0.3% were cancelled.
The breakdown
- Mon72%(43 flights)
- Tue67%(43 flights)
- Wed63%(41 flights)
- Thu58%(40 flights)
- Fri81%(43 flights)
- Sat91%(34 flights)
- Sun66%(44 flights)
83%
May
Jun 73% → May 83% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 30 |
| July 2025 | 65% | 31 |
| August 2025 | 71% | 31 |
| September 2025 | 62% | 29 |
| October 2025 | 45% | 31 |
| November 2025 | 86% | 29 |
| December 2025 | 68% | 28 |
| March 2026 | 90% | 20 |
| April 2026 | 69% | 26 |
| May 2026 | 83% | 30 |
- Departures on time
- 71%
- Diverted
- 0.3%
- Flights flown
- 288
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 290 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.