STL → LGA Delta Air Lines

Delta Air Lines · St. Louis, MO to New York, NY · 1,376 flights, 2025-07-01 to 2026-06-30 · aggregated across 30 flight numbers

This route is usually on time, but has a real long-delay tail — typical (median) delay is -11 min, while the worst 10% run +61 min or later.
On-time arrival
77%
Median delay
-11 min
90th percentile
+61 min
Cancellation rate
5%

How on-time is Delta Air Lines from STL to LGA?

Across every Delta Air Lines flight number on STL → LGA (1,376 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -11 min; the worst 10% ran +61 min or later. 5% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1,00777%
16-30 min826%
31-60 min877%
61-120 min836%
2+ hrs504%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0713068%+10 min
2025-0813785%-4 min
2025-0911785%+11 min
2025-1011177%+4 min
2025-1110371%+14 min
2025-129665%+20 min
2026-0110183%+2 min
2026-029286%-8 min
2026-0310370%+28 min
2026-0411177%+4 min
2026-0510980%+4 min
2026-069977%+9 min

Performance by day of week

DayFlightsOn-time
Mon19375%
Tue20979%
Wed20178%
Thu20278%
Fri20978%
Sat10680%
Sun18972%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…