Flight DL1233
Delta Air Lines flight DL1233
Looking for DL1233 in the air…
New York (JFK) to Austin (AUS)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 77 minutes. It was cancelled 3.8% of the time.
- On-time arrivals
- 76.8%
- Less than 15 minutes late
- Cancelled
- 3.8%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 364
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Air traffic control & airport 28%
- Airline (crew, maintenance, cleaning) 21%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 76.7% | 30 |
| October 2025 | 66.7% | 31 |
| November 2025 | 65.5% | 29 |
| December 2025 | 79.3% | 31 |
| January 2026 | 78.6% | 31 |
| February 2026 | 76.9% | 28 |
| March 2026 | 87.1% | 31 |
| April 2026 | 96.7% | 30 |
| May 2026 | 70.0% | 31 |
| June 2026 | 80.0% | 30 |
| July 2026 | 64.3% | 31 |
| August 2026 | 78.6% | 31 |
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