Flight DL1243
Delta Air Lines flight DL1243
Looking for DL1243 in the air…
Detroit (DTW) to Tampa (TPA)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 74 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 81.0%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 307
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 56%
- Air traffic control & airport 25%
- Late-arriving aircraft 19%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Tampa (TPA) to Detroit (DTW)
Historically, this flight arrives 15+ minutes late 31% of the time, and when it is late the delay averages 103 minutes. It was cancelled 2.4% of the time.
- On-time arrivals
- 68.9%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 103 min
- Flights arriving 15+ minutes late
- Flights tracked
- 165
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Airline (crew, maintenance, cleaning) 28%
- Air traffic control & airport 16%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Jacksonville (JAX) to New York (LGA)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 93.3%
- Less than 15 minutes late
- Cancelled
- 6.2%
- Of scheduled flights
- Average delay when late
- 83 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- 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).
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.0% | 20 |
| October 2025 | 83.3% | 18 |
| November 2025 | 86.4% | 23 |
| December 2025 | 80.0% | 31 |
| January 2026 | 80.6% | 31 |
| February 2026 | 75.6% | 45 |
| March 2026 | 75.0% | 62 |
| April 2026 | 87.8% | 42 |
| May 2026 | 73.2% | 56 |
| June 2026 | 76.7% | 60 |
| July 2026 | 71.7% | 62 |
| August 2026 | 67.6% | 38 |
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