Flight Reliability
DL 4784 · Delta Air Lines
Cleveland → New York (CLE–LGA)87% of its flights flew this route. The rest (DTW–LAN) are included in these numbers.
72
Usually Fine
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 3.2%
- Cancelled
- 9 min early
- Median arrival delay
Based on 190 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
DL 4784 departing between 9 AM–12 PM arrived on time 82% of the time, versus 64% between 9 PM–12 AM.
Tuesday is the weak spot.
DL 4784 arrived on time 83% of the time on Mondays. On Tuesdays: 69%.
A bit ahead of the CLE–LGA route.
DL 4784 arrived on time 79% of the time, versus 74% across the CLE–LGA route.
Keep a backup plan handy.
DL 4784 was cancelled 3.2% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon83%(30 flights)
- Tue69%(29 flights)
- Wed74%(31 flights)
- Thu83%(30 flights)
- Fri83%(30 flights)
- Sat—(4 flights)
- Sun83%(29 flights)
- 9 AM–12 PM82%(158 flights)
- 9 PM–12 AM64%(25 flights)
64%
May
Jun 74% → May 64% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 74% | 19 |
| July 2025 | 77% | 26 |
| August 2025 | 89% | 26 |
| September 2025 | 96% | 26 |
| October 2025 | 78% | 27 |
| November 2025 | 84% | 19 |
| December 2025 | 67% | 15 |
| May 2026 | 64% | 25 |
- Departures on time
- 82%
- Diverted
- 0.5%
- Flights flown
- 183
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 190 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.