Flight Reliability
DL 4889 · Delta Air Lines
Detroit → Bentonville (DTW–XNA)
64
A Little Dicey
WanderNerd Reliability Score
- 64%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 0.3%
- Cancelled
- 6 min
- Median arrival delay
Based on 353 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 4889 arrived on time 75% of the time on Saturdays and just 52% on Sundays. That gap is worth planning around.
Well behind the Delta Air Lines network.
DL 4889 arrived on time 64% of the time, versus 81% across the Delta Air Lines network.
It basically never cancels.
Out of 353 scheduled flights, only 0.3% were cancelled.
The breakdown
- Mon61%(51 flights)
- Tue67%(52 flights)
- Wed61%(51 flights)
- Thu75%(51 flights)
- Fri58%(48 flights)
- Sat75%(48 flights)
- Sun52%(50 flights)
- 12–3 PM—(1 flights)
- 3–6 PM64%(350 flights)
55%
May
Jun 39% → May 55% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 39% | 28 |
| July 2025 | 66% | 29 |
| August 2025 | 77% | 30 |
| September 2025 | 74% | 27 |
| October 2025 | 77% | 30 |
| November 2025 | 75% | 28 |
| December 2025 | 39% | 31 |
| January 2026 | 61% | 28 |
| February 2026 | 79% | 28 |
| March 2026 | 58% | 31 |
| April 2026 | 73% | 30 |
| May 2026 | 55% | 31 |
- Departures on time
- 73%
- Diverted
- 0.3%
- Flights flown
- 351
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 353 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.