DL4905 Delta Air Lines - Flight Status

Which is the frequency of flight DL4905?
The flight DL4905 is scheduled to flight on daily basis.

Which is the distance of flight DL4905?
The distance between the two airports is 887 miles.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Saint Louis: 2026-09-13 00:21:05
Current Time in New York: 2026-09-13 01:21:05

The following airlines serves the same route between Saint Louis and New York:

American Airlines
- Flight Number: AA4443. (On Time performance: 87 - Average Delay: 10 minutes)
- Flight Number: AA4449. (On Time performance: 71 - Average Delay: 26 minutes)
- Flight Number: AA4669. (On Time performance: 88 - Average Delay: 14 minutes)

Delta Air Lines
- Flight Number: DL4839. (On Time performance: 81 - Average Delay: 22 minutes)
- Flight Number: DL4922. (On Time performance: 71 - Average Delay: 30 minutes)
- Flight Number: DL4935. (On Time performance: 82 - Average Delay: 13 minutes)
- Flight Number: DL4939. (On Time performance: 92 - Average Delay: 3 minutes)
- Flight Number: DL4981. (On Time performance: 82 - Average Delay: 17 minutes)
- Flight Number: DL5041.

Southwest Airlines
- Flight Number: WN187. (On Time performance: 94 - Average Delay: 5 minutes)
- Flight Number: WN2151. (On Time performance: 67 - Average Delay: 18 minutes)
- Flight Number: WN2476. (On Time performance: 20 - Average Delay: 58 minutes)
- Flight Number: WN2710. (On Time performance: 33 - Average Delay: 31 minutes)
- Flight Number: WN3852. (On Time performance: 25 - Average Delay: 64 minutes)
- Flight Number: WN4334. (On Time performance: 56 - Average Delay: 5 minutes)
- Flight Number: WN579. (On Time performance: 58 - Average Delay: 3 minutes)
- Flight Number: WN893. (On Time performance: 60 - Average Delay: 16 minutes)

It is not possible to calculate the On-Time Performance for this flight accurately due to insufficient or non-representative data, as doing so could lead to misleading conclusions.

Delays analyzed by Weekday: We have gathered available data from last six months, spanning from March 10, 2026 to September 09, 2026. Next, you can observe the results broken down by day of the week: number of flights analyzed, on-time performance per day, and average delay per day.

Delays analyzed by Month: We have gathered available data from last twelve closed months, spanning from September 06, 2025 to June 05, 2026. Next, you can observe the results broken down by month: number of flights analyzed, on-time performance per month, and average delay per month.

Note: We have excluded some months from the graph, since the quantity and quality of the data is not representative enough.