Flight Reliability
DL 5322 · Delta Air Lines
Washington → Raleigh–Durham (DCA–RDU)
46
Bring Snacks
WanderNerd Reliability Score
- 61%
- Arrive within 15 minutes
- 26 min
- Average arrival delay
- 3.6%
- Cancelled
- 6 min
- Median arrival delay
Based on 358 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
DL 5322 departing between 12–3 PM arrived on time 75% of the time, versus 60% between 3–6 PM.
Friday is doing you no favors.
DL 5322 arrived on time 78% of the time on Saturdays and just 43% on Fridays. That gap is worth planning around.
Lagging the DCA–RDU route.
DL 5322 arrived on time 61% of the time, versus 70% across the DCA–RDU route.
Well behind the Delta Air Lines network.
DL 5322 arrived on time 61% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon58%(52 flights)
- Tue74%(49 flights)
- Wed63%(48 flights)
- Thu44%(48 flights)
- Fri43%(49 flights)
- Sat78%(49 flights)
- Sun66%(50 flights)
- 12–3 PM75%(12 flights)
- 3–6 PM60%(333 flights)
77%
May
Jun 35% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 35% | 29 |
| July 2025 | 48% | 25 |
| August 2025 | 74% | 31 |
| September 2025 | 90% | 29 |
| October 2025 | 61% | 31 |
| November 2025 | 62% | 26 |
| December 2025 | 71% | 28 |
| January 2026 | 54% | 28 |
| February 2026 | 43% | 28 |
| March 2026 | 43% | 30 |
| April 2026 | 67% | 30 |
| May 2026 | 77% | 30 |
- Departures on time
- 57%
- Diverted
- 0%
- Flights flown
- 345
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 358 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.