About 1 in 3 UA 1693 flights from Chicago arrived 15+ minutes late, diverted or cancelled over the past year (40%); 2.5% were cancelled. The typical flight landed 0 minutes early.
UA 1693: ORD → BOS
Scheduled to leave Chicago at 1:55 p.m. local time. Over the past year it arrived on time 61% of the time (319 flights), better than other UA flights on the route at that hour (57%). Last seen in the data Aug 10, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 46 | 54% |
| Tuesday | 45 | 58% |
| Wednesday | 45 | 62% |
| Thursday | 45 | 56% |
| Friday | 46 | 61% |
| Saturday | 46 | 76% |
| Sunday | 46 | 57% |
Why it was late
All flights ORD → BOS · Connecting off UA 1693? Check the risk
UA 1693: BZN → ORD
Scheduled to leave Bozeman at 8:00 a.m. local time. Over the past year it arrived on time 86% of the time (183 flights), in line with other UA flights on the route at that hour (85%). Last seen in the data Aug 10, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 27 | 89% |
| Tuesday | 24 | 92% |
| Wednesday | 24 | 88% |
| Thursday | 25 | 88% |
| Friday | 28 | 86% |
| Saturday | 28 | 89% |
| Sunday | 27 | 74% |
Why it was late
All flights BZN → ORD · Connecting off UA 1693? Check the risk
UA 1693: BOS → EWR
Scheduled to leave Boston at 7:00 p.m. local time. Over the past year it arrived on time 61% of the time (127 flights), in line with other UA flights on the route at that hour (59%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 19 | — |
| Tuesday | 25 | 68% |
| Wednesday | 19 | — |
| Thursday | 19 | — |
| Friday | 19 | — |
| Saturday | 10 | — |
| Sunday | 16 | — |
Why it was late
All flights BOS → EWR · Connecting off UA 1693? Check the risk
Questions
How often is UA 1693 from ORD to BOS late?
United Airlines 1693 from Chicago, IL to Boston, MA arrived 15 or more minutes late, was diverted or was cancelled on 40% of 319 scheduled flights between September 2025 and August 2026. 2.5% were cancelled.
How often is UA 1693 from BZN to ORD late?
United Airlines 1693 from Bozeman, MT to Chicago, IL arrived 15 or more minutes late, was diverted or was cancelled on 14% of 183 scheduled flights between September 2025 and August 2026. 1.6% were cancelled.
How often is UA 1693 from BOS to EWR late?
United Airlines 1693 from Boston, MA to Newark, NJ arrived 15 or more minutes late, was diverted or was cancelled on 39% of 127 scheduled flights between September 2025 and August 2026. 4.7% 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.