Flight Reliability
DL 4788 · Delta Air Lines
Cleveland → New York (CLE–LGA)91% of its flights flew this route. The rest (MSP–CMH) are included in these numbers.
- 55%
- Arrive within 15 minutes
- 32 min
- Average arrival delay
- 7.7%
- Cancelled
- 8 min
- Median arrival delay
Based on 182 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
DL 4788 arrived on time 64% of the time on Wednesdays and just 41% on Sundays. That gap is worth planning around.
Well behind the CLE–LGA route.
DL 4788 arrived on time 55% of the time, versus 74% across the CLE–LGA route.
Well behind the Delta Air Lines network.
DL 4788 arrived on time 55% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 4788 was cancelled 7.7% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon61%(28 flights)
- Tue60%(30 flights)
- Wed64%(28 flights)
- Thu48%(25 flights)
- Fri54%(26 flights)
- Sat—(4 flights)
- Sun41%(27 flights)
Jun 41% → Dec 46% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 41% | 17 |
| July 2025 | 52% | 21 |
| August 2025 | 85% | 26 |
| September 2025 | 58% | 26 |
| October 2025 | 54% | 24 |
| November 2025 | 42% | 24 |
| December 2025 | 46% | 26 |
- Departures on time
- 55%
- Diverted
- 0%
- Flights flown
- 168
- Months covered
- 8
Same route, other flights
Keep nerding
Based on 182 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.