Flight Reliability
DL 4798 · Delta Air Lines
Pittsburgh → New York (PIT–LGA)80% of its flights flew this route. The rest (SGF–ATL) are included in these numbers.
- 73%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 1.3%
- Cancelled
- 6 min early
- Median arrival delay
Based on 80 historical flights. Data through May 2026.
What the data says
The 6–9 AM departure wins.
DL 4798 departing between 6–9 AM arrived on time 88% of the time, versus 70% between 9 AM–12 PM.
Tuesdays have been rough.
DL 4798 arrived on time 92% of the time on Wednesdays and just 54% on Tuesdays. That gap is worth planning around.
A bit behind the PIT–LGA route.
DL 4798 arrived on time 73% of the time, versus 80% across the PIT–LGA route.
Lagging the Delta Air Lines network.
DL 4798 arrived on time 73% of the time, versus 81% across the Delta Air Lines network.
The breakdown
- Mon67%(12 flights)
- Tue54%(13 flights)
- Wed92%(13 flights)
- Thu75%(12 flights)
- Fri83%(12 flights)
- Sat—(4 flights)
- Sun62%(13 flights)
- 6–9 AM88%(16 flights)
- 9 AM–12 PM70%(63 flights)
Oct 87% → Dec 59% on time
| Month | On-time percentage | Flights |
|---|---|---|
| October 2025 | 87% | 23 |
| November 2025 | 74% | 23 |
| December 2025 | 59% | 29 |
- Departures on time
- 79%
- Diverted
- 0%
- Flights flown
- 79
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 80 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.