Delta Air Lines - Ontario Airport (ONT)

Table of contents: Terminal Arrivals and Departures Check-in General Information and contact Punctuality and delays Destinations Served

On Time performance:

We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Terminal

Arrivals and Departures Terminal:

Delta Air Lines uses Terminal 2 at Ontario Airport (ONT).

Arrivals and Departures

Follow the links below in order to see all the flights scheduled for Delta Air Lines

- Delta Air Lines Arrivals
- Delta Air Lines Departures

Check-in

In order to check in for your flight at Ontario Airport (ONT), go to the terminal where your flight departs from, or follow the instructions provided in your ticket.

General Information and contact

- IATA Code: DL
- Website: www.delta.com/

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from January 20, 2025 to April 19, 2025, we have obtained these figures.
Total number of flights: 679
On Time: 578 ( 85 % )
Moderate Delay: 42 ( 6 % )
Significant Delay: 28 ( 4 % )
Major Delay: 29 ( 4 % )
Canceled: 1 ( 0 % )
Diverted: 1 ( 0 % )

Average Delay: 8 minutes.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from October 20, 2024 to April 19, 2025. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from April 02, 2024 to March 31, 2025. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Destinations Served

Delta Air Lines serves some destinations from Ontario Airport (ONT):To see the destinations and their flight frequency, please select the country.

United States of America


											- Atlanta (ATL): Daily
- Salt Lake City (SLC): Daily
- Seattle (SEA): Daily

The information provided above does not include details about seasonal flights that are not currently being served at this moment, which means that only the flights currently in operation are covered in the information provided.