About 1 in 3 UA 516 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (30%); 1.1% were cancelled. The typical flight landed 2 minutes early.
UA 516: ATL → ORD
Scheduled to leave Atlanta at 3:40 p.m. local time. Over the past year it arrived on time 70% of the time (362 flights), in line with other UA flights on the route at that hour (70%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 53 | 68% |
| Tuesday | 52 | 71% |
| Wednesday | 52 | 77% |
| Thursday | 51 | 63% |
| Friday | 52 | 58% |
| Saturday | 50 | 84% |
| Sunday | 52 | 67% |
Why it was late
All flights ATL → ORD · Connecting off UA 516? Check the risk
UA 516: ORD → BDL
Scheduled to leave Chicago at 6:10 p.m. local time. Over the past year it arrived on time 45% of the time (174 flights), worse than other UA flights on the route at that hour (54%). Last seen in the data Aug 31, 2026.
Usually United Airlines's last flight of the day from Chicago to Hartford (100% of days). United Airlines's last ORD–BDL flight was cancelled 1.7% of the time, against 1.7% for its earlier ones. If it's cancelled, the next United Airlines flight is usually around 7:04 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 26 | 42% |
| Tuesday | 25 | 40% |
| Wednesday | 25 | 36% |
| Thursday | 26 | 31% |
| Friday | 26 | 58% |
| Saturday | 20 | 65% |
| Sunday | 26 | 50% |
Why it was late
All flights ORD → BDL · Connecting off UA 516? Check the risk
Questions
How often is UA 516 from ATL to ORD late?
United Airlines 516 from Atlanta, GA to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 30% of 362 scheduled flights between September 2025 and August 2026. 1.1% were cancelled.
How often is UA 516 from ORD to BDL late?
United Airlines 516 from Chicago, IL to Hartford, CT arrived 15 or more minutes late, was diverted or was cancelled on 55% of 174 scheduled flights between September 2025 and August 2026. 1.7% 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 United Airlines for today's flight. Method.