DL2135 IAD → ATL

Delta Air Lines · Washington, DC to Atlanta, GA · 83 flights observed, 2026-01-06 to 2026-06-30 · 534 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is -10 min, while the worst 10% run +59 min or later.

DL2135 covers more than one route in the data window — the stats below are for IAD → ATL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
82%
Median delay
-10 min
90th percentile
+59 min
Cancellation rate
0%

How often is DL2135 on time?

Across 83 flights on IAD → ATL from 2026-01-06 to 2026-06-30, DL2135 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +59 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time6882%
16-30 min22%
31-60 min45%
61-120 min67%
2+ hrs34%

Performance by month

MonthFlightsOn-timeAvg delay
2026-01475%+12 min
2026-041883%+5 min
2026-053187%+3 min
2026-063077%+11 min

Performance by day of week

DayFlightsOn-time
Mon1283%
Tue1471%
Wed1369%
Thu1191%
Fri1191%
Sat11100%
Sun1173%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…