Flight Reliability
DL 890 · Delta Air Lines
Raleigh–Durham → Miami (RDU–MIA)
83
Pretty Reliable
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.1%
- Cancelled
- 8 min early
- Median arrival delay
Based on 360 historical flights. Data through May 2026.
What the data says
Saturday is the weak spot.
DL 890 arrived on time 84% of the time on Sundays. On Saturdays: 75%.
Ticking up lately.
DL 890 arrived on time 81% of the time over the last three months in the data, compared with 76% in the three months before that.
The breakdown
- Mon82%(51 flights)
- Tue75%(52 flights)
- Wed84%(49 flights)
- Thu78%(50 flights)
- Fri77%(51 flights)
- Sat75%(52 flights)
- Sun84%(51 flights)
- 6–9 AM79%(355 flights)
- 9 AM–12 PM—(1 flights)
84%
May
Jun 70% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 30 |
| July 2025 | 61% | 31 |
| August 2025 | 70% | 30 |
| September 2025 | 93% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 90% | 29 |
| December 2025 | 79% | 28 |
| January 2026 | 76% | 29 |
| February 2026 | 74% | 27 |
| March 2026 | 77% | 31 |
| April 2026 | 83% | 29 |
| May 2026 | 84% | 31 |
- Departures on time
- 82%
- Diverted
- 0%
- Flights flown
- 356
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 360 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.