DL2455

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

89.1%

DL2455, operated by Delta Air Lines, flies 3 different airport pairs — it is a multi-leg service. Across all 1,041 recorded departures, 89.1% left on time; the legs differ and are listed below.

domestic flights only sample 1,041 departures · arrival delay, measured at the gate
This number flies several legs

Because this number covers several legs, the headline figure is an average across all of them. Read the leg table for the one you are flying.

89.1%on time
1.1 minaverage delay
0.3%cancelled
1,041recorded departures

These charts combine all legs flown under this number. Changes in the mix of legs can affect the monthly figures; consult the leg table below.

On-time departures by month

All legs combined

On time means departing no more than 15 minutes after schedule. Monthly punctuality uses only non-cancelled flights with a recorded departure delay; flights with missing times are excluded. Each month reflects the records available from the source.

according to us_bts_otp · 2024-09 → 2026-06

Recorded departures by month

All legs combined

according to us_bts_otp · 2024-09 → 2026-06

Cancellation share

  • Not cancelled 99.7% 1,038
  • Cancelled 0.3% 3

Share of all recorded flights over the period shown, including every leg. Not cancelled does not necessarily mean on time.

according to us_bts_otp · 2024-09-01 → 2026-06-30

Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
September 2024 51 51 86.3% 0
October 2024 53 53 96.2% 0
November 2024 53 53 94.3% 0
December 2024 55 55 90.9% 0
January 2025 40 38 81.6% 2
February 2025 32 32 90.6% 0
March 2025 45 45 97.8% 0
April 2025 46 46 84.8% 0
May 2025 55 55 90.9% 0
June 2025 56 55 83.6% 1
July 2025 57 57 87.7% 0
August 2025 52 52 84.6% 0
September 2025 56 56 85.7% 0
October 2025 57 57 98.3% 0
November 2025 53 53 86.8% 0
December 2025 60 60 78.3% 0
January 2026 8 8 100.0% 0
February 2026 2 2 100.0% 0
March 2026 43 43 93.0% 0
April 2026 54 54 87.0% 0
May 2026 57 57 96.5% 0
June 2026 56 56 85.7% 0

Legs flown under this number

2
RoutesDistance (km)Avg delay On timeDepartures
SLC STL Salt Lake City International Airport – St. Louis Lambert International Airport 1,856 1.8 min 89.5% 571
STL SLC St. Louis Lambert International Airport – Salt Lake City International Airport 1,856 0.4 min 88.6% 467