Flight DL3012
Delta Air Lines flight DL3012
Looking for DL3012 in the air…
Atlanta (ATL) to Birmingham (BHM)
Historically, this flight arrives 15+ minutes late 13% of the time, and when it is late the delay averages 78 minutes. It was cancelled 0.3% of the time.
- On-time arrivals
- 86.8%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 78 min
- Flights arriving 15+ minutes late
- Flights tracked
- 357
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 58%
- Late-arriving aircraft 16%
- Air traffic control & airport 13%
- Extreme weather 13%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Birmingham (BHM) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 95 minutes. It was cancelled 0.3% of the time.
- On-time arrivals
- 86.5%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 95 min
- Flights arriving 15+ minutes late
- Flights tracked
- 356
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 47%
- Air traffic control & airport 35%
- Airline (crew, maintenance, cleaning) 15%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chattanooga (CHA) to Atlanta (ATL)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 57 |
| October 2025 | 96.7% | 60 |
| November 2025 | 91.7% | 60 |
| December 2025 | 91.5% | 59 |
| January 2026 | 75.0% | 54 |
| February 2026 | 91.1% | 56 |
| March 2026 | 85.5% | 62 |
| April 2026 | 93.3% | 60 |
| May 2026 | 88.7% | 62 |
| June 2026 | 76.7% | 60 |
| July 2026 | 75.8% | 62 |
| August 2026 | 74.2% | 62 |
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