Flight Reliability
DL 3242 · Delta Air Lines
Raleigh–Durham → Atlanta (RDU–ATL)
89
Pretty Reliable
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 2 min
- Average arrival delay
- 1.5%
- Cancelled
- 10 min early
- Median arrival delay
Based on 195 historical flights. Data through May 2026.
What the data says
Monday is the weak spot.
DL 3242 arrived on time 93% of the time on Wednesdays. On Mondays: 79%.
A bit ahead of the Delta Air Lines network.
DL 3242 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.
Recent months have been rougher.
DL 3242 arrived on time 80% of the time over the last three months in the data, compared with 92% in the three months before that.
The breakdown
- Mon79%(28 flights)
- Tue86%(28 flights)
- Wed93%(28 flights)
- Thu89%(28 flights)
- Fri89%(28 flights)
- Sat88%(25 flights)
- Sun82%(27 flights)
- 6–9 AM86%(186 flights)
- 9 AM–12 PM—(6 flights)
74%
Dec
Jun 82% → Dec 74% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 82% | 22 |
| July 2025 | 87% | 30 |
| August 2025 | 94% | 31 |
| September 2025 | 97% | 30 |
| October 2025 | 87% | 31 |
| November 2025 | 79% | 29 |
| December 2025 | 74% | 19 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 192
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 195 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.