Flight Reliability
DL 5635 · Delta Air Lines
New York → Indianapolis (LGA–IND)90% of its flights flew this route. The rest (BNA–LGA, DTW–GRR) are included in these numbers.
- 73%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 5.6%
- Cancelled
- 7 min early
- Median arrival delay
Based on 341 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
DL 5635 departing between 6–9 AM arrived on time 88% of the time, versus 72% between 3–6 PM.
Thursdays have been rough.
DL 5635 arrived on time 80% of the time on Tuesdays and just 64% on Thursdays. That gap is worth planning around.
Lagging the Delta Air Lines network.
DL 5635 arrived on time 73% of the time, versus 81% across the Delta Air Lines network.
Keep a backup plan handy.
DL 5635 was cancelled 5.6% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon79%(47 flights)
- Tue80%(49 flights)
- Wed75%(48 flights)
- Thu64%(50 flights)
- Fri72%(50 flights)
- Sat73%(30 flights)
- Sun71%(48 flights)
- 6–9 AM88%(16 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM88%(16 flights)
- 3–6 PM72%(289 flights)
Jun 58% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 58% | 24 |
| July 2025 | 69% | 26 |
| August 2025 | 79% | 34 |
| September 2025 | 89% | 28 |
| October 2025 | 63% | 30 |
| November 2025 | 67% | 27 |
| December 2025 | 74% | 31 |
| January 2026 | 80% | 25 |
| February 2026 | 82% | 22 |
| March 2026 | 64% | 25 |
| April 2026 | 73% | 26 |
| May 2026 | 79% | 24 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 322
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 341 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.