About 1 in 2 DL 2503 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (45%); 7.3% were cancelled. The typical flight landed 1 minutes late.
DL 2503: LGA → ORD
Scheduled to leave New York at 5:00 p.m. local time. Over the past year it arrived on time 55% of the time (124 flights), better than other DL flights on the route at that hour (51%). Last seen in the data Aug 29, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 18 | — |
| Tuesday | 18 | — |
| Wednesday | 17 | — |
| Thursday | 17 | — |
| Friday | 17 | — |
| Saturday | 20 | 65% |
| Sunday | 17 | — |
Why it was late
All flights LGA → ORD · Connecting off DL 2503? Check the risk
Questions
How often is DL 2503 from LGA to ORD late?
Delta Air Lines 2503 from New York, NY to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 45% of 124 scheduled flights between September 2025 and August 2026. 7.3% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Delta Air Lines for today's flight. Method.