About 1 in 3 DL 5104 flights from New York arrived 15+ minutes late, diverted or cancelled over the past year (31%); 5.7% were cancelled. The typical flight landed 13 minutes early.
DL 5104: LGA → GRR
Scheduled to leave New York at 2:45 p.m. local time, operated by Endeavor Air as 9E 5104. Over the past year it arrived on time 69% of the time (124 flights), in line with other DL flights on the route at that hour (67%). Last seen in the data Aug 31, 2026.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 21 | 76% |
| Tuesday | 20 | 70% |
| Wednesday | 20 | 80% |
| Thursday | 20 | 70% |
| Friday | 20 | 55% |
| Saturday | 3 | — |
| Sunday | 20 | 65% |
Why it was late
All flights LGA → GRR · Connecting off DL 5104? Check the risk
DL 5104: GRR → LGA
Scheduled to leave Grand Rapids at 5:56 p.m. local time, operated by Endeavor Air as 9E 5104. Over the past year it arrived on time 60% of the time (121 flights), better than other DL flights on the route at that hour (56%). Last seen in the data Aug 31, 2026.
Usually Delta Air Lines's last flight of the day from Grand Rapids to New York (100% of days). Delta Air Lines's last GRR–LGA flight was cancelled 10.0% of the time, against 4.0% 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 | 21 | 71% |
| Tuesday | 20 | 65% |
| Wednesday | 20 | 60% |
| Thursday | 20 | 60% |
| Friday | 20 | 50% |
| Sunday | 20 | 50% |
Why it was late
All flights GRR → LGA · Connecting off DL 5104? Check the risk
Questions
How often is DL 5104 from LGA to GRR late?
Delta Air Lines 5104 from New York, NY to Grand Rapids, MI arrived 15 or more minutes late, was diverted or was cancelled on 31% of 124 scheduled flights between September 2025 and August 2026. 5.7% were cancelled.
How often is DL 5104 from GRR to LGA late?
Delta Air Lines 5104 from Grand Rapids, MI to New York, NY arrived 15 or more minutes late, was diverted or was cancelled on 41% of 121 scheduled flights between September 2025 and August 2026. 9.9% 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.