Flight DL1230
Delta Air Lines flight DL1230
Looking for DL1230 in the air…
Detroit (DTW) to Memphis (MEM)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 106 minutes. It was cancelled 3.5% of the time.
- On-time arrivals
- 79.4%
- Less than 15 minutes late
- Cancelled
- 3.5%
- Of scheduled flights
- Average delay when late
- 106 min
- Flights arriving 15+ minutes late
- Flights tracked
- 227
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 55%
- Late-arriving aircraft 35%
- Air traffic control & airport 9%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Austin (AUS) to New York (JFK)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 74 minutes. It was cancelled 1.8% of the time.
- On-time arrivals
- 85.8%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 110
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 59%
- Late-arriving aircraft 35%
- Airline (crew, maintenance, cleaning) 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (JFK) to Austin (AUS)
Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 141 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 95.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 141 min
- Flights arriving 15+ minutes late
- Flights tracked
- 23
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boston (BOS) to New York (LGA)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 76.9%
- Less than 15 minutes late
- Cancelled
- 18.8%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 78%
- Air traffic control & airport 22%
- Late-arriving aircraft 0%
- 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 | 96.2% | 53 |
| October 2025 | 76.7% | 31 |
| November 2025 | 86.7% | 30 |
| December 2025 | 84.6% | 31 |
| January 2026 | 64.3% | 31 |
| February 2026 | 78.6% | 28 |
| March 2026 | 75.9% | 31 |
| April 2026 | 89.7% | 30 |
| May 2026 | 79.3% | 31 |
| June 2026 | 85.2% | 27 |
| July 2026 | 69.2% | 27 |
| August 2026 | 88.5% | 26 |
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