About 1 in 3 DL 5508 flights from Atlanta arrived 15+ minutes late, diverted or cancelled over the past year (39%); 3.4% were cancelled. The typical flight landed 1 minutes early.
DL 5508: ATL → TRI
Scheduled to leave Atlanta at 5:50 p.m. local time, operated by Endeavor Air as 9E 5508. Over the past year it arrived on time 61% of the time (176 flights), worse than other DL flights on the route at that hour (65%). Last seen in the data Aug 30, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 30 | 70% |
| Tuesday | 30 | 57% |
| Wednesday | 28 | 71% |
| Thursday | 27 | 63% |
| Friday | 29 | 52% |
| Saturday | 3 | — |
| Sunday | 29 | 55% |
Why it was late
All flights ATL → TRI · Connecting off DL 5508? Check the risk
DL 5508: TRI → ATL
Scheduled to leave Bristol at 7:41 p.m. local time, operated by Endeavor Air as 9E 5508. Over the past year it arrived on time 72% of the time (176 flights), in line with other DL flights on the route at that hour (72%). Last seen in the data Aug 30, 2026.
Usually Delta Air Lines's last flight of the day from Bristol to Atlanta (100% of days). Delta Air Lines's last TRI–ATL flight was cancelled 3.0% of the time, against 1.8% for its earlier ones. If it's cancelled, the next Delta Air Lines flight is usually around 6:00 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 30 | 80% |
| Tuesday | 30 | 77% |
| Wednesday | 28 | 79% |
| Thursday | 27 | 78% |
| Friday | 29 | 55% |
| Saturday | 3 | — |
| Sunday | 29 | 66% |
Why it was late
All flights TRI → ATL · Connecting off DL 5508? Check the risk
Questions
How often is DL 5508 from ATL to TRI late?
Delta Air Lines 5508 from Atlanta, GA to Bristol/Johnson City/Kingsport, TN arrived 15 or more minutes late, was diverted or was cancelled on 39% of 176 scheduled flights between September 2025 and August 2026. 3.4% were cancelled.
How often is DL 5508 from TRI to ATL late?
Delta Air Lines 5508 from Bristol/Johnson City/Kingsport, TN to Atlanta, GA arrived 15 or more minutes late, was diverted or was cancelled on 28% of 176 scheduled flights between September 2025 and August 2026. 3.4% 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.