Flight Reliability
DL 5003 · Delta Air Lines
New York → Knoxville (LGA–TYS)
41
Bring Snacks
WanderNerd Reliability Score
- 67%
- Arrive within 15 minutes
- 25 min
- Average arrival delay
- 6.4%
- Cancelled
- 8 min early
- Median arrival delay
Based on 313 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 5003 arrived on time 70% of the time on Wednesdays. On Sundays: 60%.
Lagging the LGA–TYS route.
DL 5003 arrived on time 67% of the time, versus 74% across the LGA–TYS route.
Lagging the Delta Air Lines network.
DL 5003 arrived on time 67% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 5003 was cancelled 6.4% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon69%(48 flights)
- Tue68%(50 flights)
- Wed70%(46 flights)
- Thu64%(47 flights)
- Fri66%(50 flights)
- Sat—(4 flights)
- Sun60%(48 flights)
- 6–9 AM—(2 flights)
- 3–6 PM—(1 flights)
- 6–9 PM66%(290 flights)
68%
May
Jun 42% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 42% | 24 |
| July 2025 | 55% | 20 |
| August 2025 | 81% | 26 |
| September 2025 | 77% | 26 |
| October 2025 | 58% | 26 |
| November 2025 | 62% | 26 |
| December 2025 | 56% | 25 |
| January 2026 | 88% | 24 |
| February 2026 | 96% | 22 |
| March 2026 | 54% | 24 |
| April 2026 | 64% | 25 |
| May 2026 | 68% | 25 |
- Departures on time
- 70%
- Diverted
- 0%
- Flights flown
- 293
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 313 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.