United Airlines flight UA 4858: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 12:34 Washington Dulles (IAD) 14:22 Dayton (DAY)
UA 4858 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:48 Effective 2026-02-12 through 2026-03-04
Daily 12:35 Washington Dulles (IAD) 14:16 Dayton (DAY)
UA 4858 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:41 Valid until 2026-01-05
Daily 12:35 Washington Dulles (IAD) 14:17 Dayton (DAY)
UA 4858 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:42 Effective 2026-01-06 through 2026-02-11
Daily 18:30 Houston George Bush (IAH) B 19:59 McAllen/Mission (MFE)
UA 4858 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:29 Effective 2026-03-29 through 2026-05-20
This flight number is listed as serving the following routes:


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United Airlines flight UA 4858: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4858
12:34
Washington Dulles (IAD)

14:22
Dayton (DAY)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4858
12:35
Washington Dulles (IAD)

14:16
Dayton (DAY)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4858
12:35
Washington Dulles (IAD)

14:17
Dayton (DAY)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:42, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4858
18:30
Houston George Bush (IAH) B

19:59
McAllen/Mission (MFE)
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:29, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
This flight number is listed as serving the following routes:
  • Houston George Bush (IAH) - McAllen/Mission (MFE)
  • Washington Dulles (IAD) - Dayton (DAY)
All United Airlines flights
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