Flight DL3120
Delta Air Lines flight DL3120
Looking for DL3120 in the air…
Atlanta (ATL) to Indianapolis (IND)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 73 minutes. It was cancelled 1.1% of the time.
- On-time arrivals
- 79.9%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 267
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 59%
- Late-arriving aircraft 28%
- Air traffic control & airport 13%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Indianapolis (IND) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 34 minutes. It was cancelled 2.4% of the time.
- On-time arrivals
- 82.1%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 34 min
- Flights arriving 15+ minutes late
- Flights tracked
- 41
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 74%
- Air traffic control & airport 24%
- Airline (crew, maintenance, cleaning) 1%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.2% | 29 |
| October 2025 | 90.3% | 31 |
| November 2025 | 75.9% | 30 |
| December 2025 | 68.4% | 19 |
| January 2026 | 75.0% | 21 |
| February 2026 | 80.0% | 41 |
| March 2026 | 72.2% | 38 |
| April 2026 | 90.0% | 30 |
| May 2026 | 75.0% | 44 |
| June 2026 | 100.0% | 12 |
| July 2026 | 75.0% | 12 |
| August 2026 | 100.0% | 1 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data