Flight Reliability
DL 5294 · Delta Air Lines
Raleigh–Durham → New York (RDU–JFK)100% of its flights flew this route. The rest (DTW–CLE) are included in these numbers.
81
Pretty Reliable
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 1.9%
- Cancelled
- 9 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 5294 arrived on time 89% of the time on Thursdays. On Sundays: 75%.
A bit ahead of the RDU–JFK route.
DL 5294 arrived on time 81% of the time, versus 76% across the RDU–JFK route.
Slipping a little lately.
DL 5294 arrived on time 76% of the time over the last three months in the data, compared with 82% in the three months before that.
The breakdown
- Mon78%(49 flights)
- Tue78%(51 flights)
- Wed87%(52 flights)
- Thu89%(52 flights)
- Fri77%(52 flights)
- Sat84%(51 flights)
- Sun75%(51 flights)
- 9 AM–12 PM81%(353 flights)
- 3–6 PM—(4 flights)
- 9 PM–12 AM—(1 flights)
61%
May
Jun 83% → May 61% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 83% | 30 |
| July 2025 | 77% | 31 |
| August 2025 | 90% | 31 |
| September 2025 | 87% | 30 |
| October 2025 | 84% | 31 |
| November 2025 | 77% | 30 |
| December 2025 | 74% | 31 |
| January 2026 | 96% | 28 |
| February 2026 | 76% | 25 |
| March 2026 | 80% | 30 |
| April 2026 | 87% | 30 |
| May 2026 | 61% | 31 |
- Departures on time
- 82%
- Diverted
- 0%
- Flights flown
- 358
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.