Flight Reliability
DL 5748 · Delta Air Lines
Boston → New York (BOS–LGA)98% of its flights flew this route. The rest (DTW–CLE, RDU–BOS) are included in these numbers.
69
Usually Fine
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 4.7%
- Cancelled
- 7 min early
- Median arrival delay
Based on 279 historical flights. Data through May 2026.
What the data says
Thursdays have been rough.
DL 5748 arrived on time 100% of the time on Saturdays and just 63% on Thursdays. That gap is worth planning around.
Keep a backup plan handy.
DL 5748 was cancelled 4.7% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon83%(41 flights)
- Tue80%(44 flights)
- Wed91%(42 flights)
- Thu63%(41 flights)
- Fri86%(42 flights)
- Sat100%(11 flights)
- Sun71%(45 flights)
- 12–3 PM80%(265 flights)
- 6–9 PM—(1 flights)
81%
May
Jun 77% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 77% | 26 |
| July 2025 | 61% | 23 |
| August 2025 | 97% | 29 |
| September 2025 | 90% | 30 |
| October 2025 | 89% | 26 |
| November 2025 | 61% | 23 |
| December 2025 | 75% | 16 |
| February 2026 | 100% | 10 |
| March 2026 | 85% | 20 |
| April 2026 | 71% | 28 |
| May 2026 | 81% | 26 |
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 266
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 279 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.