LGA → STL Delta Air Lines

Delta Air Lines · New York, NY to St. Louis, MO · 1,377 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
78%
Median delay
-11 min
90th percentile
+61 min
Cancellation rate
5%

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

Across every Delta Air Lines flight number on LGA → STL (1,377 flights, 2025-07-01 to 2026-06-30), 78% 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-time1,01678%
16-30 min695%
31-60 min907%
61-120 min927%
2+ hrs403%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0713176%+15 min
2025-0813692%-11 min
2025-0911883%-4 min
2025-1011082%+3 min
2025-1110168%+19 min
2025-129868%+17 min
2026-0110081%0 min
2026-029186%-8 min
2026-0310073%+12 min
2026-0411280%+1 min
2026-0511170%+14 min
2026-069969%+10 min

Performance by day of week

DayFlightsOn-time
Mon19275%
Tue20978%
Wed20182%
Thu20379%
Fri20779%
Sat10876%
Sun18774%

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