Flight DL1151
Delta Air Lines flight DL1151
Looking for DL1151 in the air…
Atlanta (ATL) to Milwaukee (MKE)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 50 minutes. It was cancelled 1.8% of the time.
- On-time arrivals
- 88.6%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 50 min
- Flights arriving 15+ minutes late
- Flights tracked
- 340
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 55%
- Late-arriving aircraft 28%
- Air traffic control & airport 9%
- Extreme weather 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Milwaukee (MKE) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 49 minutes. It was cancelled 1.0% of the time.
- On-time arrivals
- 90.0%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 295
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Air traffic control & airport 29%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 1%
- 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 | 94.0% | 50 |
| October 2025 | 91.9% | 62 |
| November 2025 | 87.5% | 56 |
| December 2025 | 81.5% | 54 |
| January 2026 | 88.4% | 46 |
| February 2026 | 95.5% | 44 |
| March 2026 | 86.7% | 48 |
| April 2026 | 85.3% | 35 |
| May 2026 | 89.1% | 56 |
| June 2026 | 91.7% | 60 |
| July 2026 | 84.5% | 62 |
| August 2026 | 93.5% | 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