UAL988 is operated by UNITED AIRLINES INC between Frankfurt am Main Airport (EDDF) and Washington Dulles International Airport (KIAD). The flight is most often flown by a BOEING Boeing 777-300ER. Typical block time is 8h 5m. SkyMeter has observed 85 legs of this flight number via ADS-B.

✈
FLIGHTS
85
last 90 days
⏱
AVG DURATION
8h 5m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 06/29/2026
first → last seen
🗺
ROUTES / TYPES
5 / 2
city pairs · airframes
⚠
INCIDENT RATE
16.5%
14 flagged

Routes flown

By count · last 90 days

3
EDDF → KIAD
81
avg 8h 16m · Frankfurt am Main → Washington Dulles
KORF → KIAD
1
avg 37m · Norfolk → Washington Dulles
EDDF → KORF
1
avg 8h 59m · Frankfurt am Main → Norfolk

Aircraft types

Equipment used on this number

2
B77W BOEING Boeing 777-300ER
82
B772 BOEING Boeing 777-200
3

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
13
Rejected TO
0
Stall warnings
0
Overspeeds
1
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of UAL988

30
N2136UBOEING Boeing 777-300ER
→
06/29/2026
8h 15m
No alerts
Replay Analysis
N2333UBOEING Boeing 777-300ER
→
06/28/2026
8h 2m
No alerts
Replay Analysis
N2136UBOEING Boeing 777-300ER
→
06/27/2026
8h 6m
No alerts
Replay Analysis
N2136UBOEING Boeing 777-300ER
→
06/26/2026
8h 25m
No alerts
Replay Analysis
N2748UBOEING Boeing 777-300ER
→
06/25/2026
8h 24m
No alerts
Replay Analysis
N2737UBOEING Boeing 777-300ER
→
06/24/2026
8h 30m
No alerts
Replay Analysis
N2639UBOEING Boeing 777-300ER
→
06/23/2026
9h 27m
» Overspeed
Replay Analysis
N2250UBOEING Boeing 777-300ER
→
06/22/2026
8h 6m
No alerts
Replay Analysis
N2243UBOEING Boeing 777-300ER
→
06/21/2026
8h 11m
No alerts
Replay Analysis
N2846UBOEING Boeing 777-300ER
→
06/20/2026
8h 17m
No alerts
Replay Analysis
N2331UBOEING Boeing 777-300ER
→
06/19/2026
8h 18m
No alerts
Replay Analysis
N2135UBOEING Boeing 777-300ER
→
06/17/2026
8h 8m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
06/16/2026
8h 16m
No alerts
Replay Analysis
N2748UBOEING Boeing 777-300ER
→
06/15/2026
8h 27m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
06/14/2026
8h 9m
No alerts
Replay Analysis
N2250UBOEING Boeing 777-300ER
→
06/13/2026
8h 24m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
06/12/2026
8h 22m
No alerts
Replay Analysis
N2250UBOEING Boeing 777-300ER
→
06/11/2026
8h 9m
No alerts
Replay Analysis
N2534UBOEING Boeing 777-300ER
→
06/10/2026
9h 21m
No alerts
Replay Analysis
N2341UBOEING Boeing 777-300ER
→
06/09/2026
8h 1m
No alerts
Replay Analysis
N2749UBOEING Boeing 777-300ER
→
06/08/2026
7h 43m
No alerts
Replay Analysis
N2645UBOEING Boeing 777-300ER
→
06/07/2026
7h 56m
No alerts
Replay Analysis
N2747UBOEING Boeing 777-300ER
→
06/06/2026
7h 57m
No alerts
Replay Analysis
N2136UBOEING Boeing 777-300ER
→
06/05/2026
8h 15m
No alerts
Replay Analysis
N2251UBOEING Boeing 777-300ER
→
06/04/2026
8h 12m
No alerts
Replay Analysis
N2136UBOEING Boeing 777-300ER
→
06/03/2026
8h 10m
No alerts
Replay Analysis
N2251UBOEING Boeing 777-300ER
→
06/02/2026
7h 28m
No alerts
Replay Analysis
N2333UBOEING Boeing 777-300ER
→
06/01/2026
7h 55m
No alerts
Replay Analysis
N2140UBOEING Boeing 777-300ER
→
05/31/2026
8h 5m
No alerts
Replay Analysis
N2737UBOEING Boeing 777-300ER
→
05/30/2026
8h 10m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window