Flight OddsDL4977 BHM → LGA
Delta Air Lines · Birmingham, AL to New York, NY · 356 flights observed, 2025-07-01 to 2026-06-30 · 866 mi
DL4977 covers more than one route in the data window — the stats below are for BHM → LGA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-13 min
90th percentile
+18 min
Cancellation rate
4%
How often is DL4977 on time?
Across 356 flights on BHM → LGA from 2025-07-01 to 2026-06-30, DL4977 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +18 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 304 | 90% |
| 16-30 min | 7 | 2% |
| 31-60 min | 9 | 3% |
| 61-120 min | 7 | 2% |
| 2+ hrs | 12 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 90% | +2 min |
| 2025-08 | 30 | 83% | +4 min |
| 2025-09 | 30 | 100% | -15 min |
| 2025-10 | 31 | 94% | -10 min |
| 2025-11 | 28 | 93% | -11 min |
| 2025-12 | 30 | 90% | -5 min |
| 2026-01 | 27 | 85% | +4 min |
| 2026-02 | 22 | 91% | -6 min |
| 2026-03 | 24 | 88% | -1 min |
| 2026-04 | 30 | 77% | +33 min |
| 2026-05 | 30 | 97% | -10 min |
| 2026-06 | 27 | 89% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 48 | 85% |
| Tue | 47 | 91% |
| Wed | 52 | 85% |
| Thu | 50 | 90% |
| Fri | 50 | 98% |
| Sat | 51 | 88% |
| Sun | 41 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…